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Detector Requirements

General, functional and performance requirements associated with the Detector Systems of the Electron Ion Collider.

Name
WBS
Description
Updated
Status
TBD
DET : Detector System (WBS 6.10)

G-DET.1
6.10
The EIC detector system shall be capable to detect all reaction products, related to the scattered electron, the scattered parton, and the remnant proton/ion, such that the impact of incomplete kinematic coverage on the respective science is minimized.
10/11/2023
APPROVED
FALSE

F-DET-TRAK.1
6.10.03
The tracking system must provide a low detection threshold for pions and kaons.
10/11/2023
APPROVED
FALSE

P-DET-TRAK-BAR.1
6.10.03
The barrel tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+0.5% in the rapidity region between -1 to 1.
11/01/2023
APPROVED
FALSE
P-DET-TRAK.1
6.10.03
The tracking system must provide a minimum pT of 100 MeV π, 130 MeV K.
10/11/2023
APPROVED
FALSE

F-DET-TRAK.2
6.10.03
The tracking system must provide high hermicity in exclusive and diffractive channels.
10/11/2023
APPROVED
FALSE

P-DET-TRAK-BAR.1
6.10.03
The barrel tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+0.5% in the rapidity region between -1 to 1.
11/01/2023
APPROVED
FALSE
P-DET-TRAK-BCK.1
6.10.03
The backward tracking system shall provide coverage in rapidity region between -3.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.2
6.10.03
The backward tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+1.0% in the rapidity region between -2.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.3
6.10.03
The backward tracking system shall provide a momentum resolution of σp/p ~ 0.10%?p+2.0% in the rapidity region between -3.5 to -2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.4
6.10.03
The backward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 20 μm in the rapidity region between -2.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.5
6.10.03
The backward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 40 μm in the rapidity region between -3.5 to -2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.1
6.10.03
The forward tracking system shall provide coverage in rapidity region between -1.0 to 3.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.2
6.10.03
The forward tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+1.0% in the rapidity region between 1.0 to 2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.3
6.10.03
The forward tracking system shall provide a momentum resolution of σp/p ~ 0.10%?p+2.0% in the rapidity region between 2.5 to 3.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.4
6.10.03
The forward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 20 μm in the rapidity region between 1.0 to 2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.5
6.10.03
The forward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 40 μm in the rapidity region between 2.5 to 3.5.
10/11/2023
APPROVED
FALSE

F-DET.2
6.10
The EIC central detector shall cleanly identify the electron-quark and electron-gluon scattering process to high efficiency by a combination of tracking, particle identification detectors and calorimeters.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.1
6.10.05
System shall cover pseudo rapidity down to -3.5.
10/11/2023
APPROVED
FALSE
P-DET-ECAL-BCK.2
6.10.05
Energy resolution shall be s(E)/E ~ (2-3)%/sqrt(E) + (1-2)%
10/11/2023
APPROVED
FALSE
P-DET.2
6.10
The EIC central solenoid magnet combined with tracking detectors shall be capable of providing momentum resolution to a level of spT/pT (%) = 0.05pT + 0.5 in the barrel region and to 0.1pT + 1 in the forward and backward region.
10/11/2023
APPROVED
FALSE
P-DET.3
6.10
The electromagnetic calorimeter in the central detector shall be capable of providing a resolution of s(E)/E ~ 10%/sqrt(E) + (1-3)% in the barrel and forward region and s(E)/E ~ 2%/sqrt(E) + (1-3)% in the backward region.
10/11/2023
APPROVED
FALSE
P-DET.9
6.10
The EIC central detector shall allow an electron-hadron separation with efficiency > 90% and a purity > 80%.
10/11/2023
APPROVED
FALSE

F-DET.3
6.10
The EIC central solenoid magnet shall provide the means to momentum-analyze the charged particles associated with the hadrons produced in electron-quark / electron-gluon scattering process.
10/11/2023
APPROVED
FALSE

P-DET.2
6.10
The EIC central solenoid magnet combined with tracking detectors shall be capable of providing momentum resolution to a level of spT/pT (%) = 0.05pT + 0.5 in the barrel region and to 0.1pT + 1 in the forward and backward region.
10/11/2023
APPROVED
FALSE

F-DET.4
6.10
The EIC central detector system shall allow for particle identification of pions, kaons and protons over a wide range of momentum in the barrel, forward endcap and backward endcap regions.
10/11/2023
APPROVED
FALSE

P-DET.9
6.10
The EIC central detector shall allow an electron-hadron separation with efficiency > 90% and a purity > 80%.
10/11/2023
APPROVED
FALSE
P-DET.10
6.10
The EIC central detector system shall have the resolution of 3s separation for particle identification of pions, kaons and protons with momenta up to 10 GeV/c in the barrel region, up to 50 GeV/c in the forward endcap region, and up to 7 GeV/c in the backward endcap region.
10/11/2023
APPROVED
FALSE

F-DET.5
6.10
The EIC central detector shall allow for heavy flavor and other long-living particle measurements through a vertex resolution.
10/11/2023
APPROVED
FALSE

P-DET.4
6.10
The impact parameter resolution for heavy flavor measurements enabled by the vertex tracker shall be capable of providing a vertex resolution sxy of level 10/pT x 5 mm.
10/11/2023
APPROVED
FALSE

F-DET.6
6.10
The EIC central detector shall allow for separation of single-photons from neutral-pion decay into two photons over a wide region in momentum.
10/11/2023
APPROVED
FALSE

P-DET.8
6.10
The EIC central detector shall allow for separation of single-photons from neutral-pion decay into two photons, for momenta up to 10 GeV and to a level of TBD.
10/11/2023
APPROVED
TRUE

F-DET.7
6.10
The EIC far-backward detector shall complement the central detector in the low- Q² electron scattering region below 1 GeV².
10/11/2023
APPROVED
FALSE

P-DET.7
6.10
The acceptance of the far-backward electron detection shall be able to reach 0.0001 GeV < Q² < 0.1 GeV².
10/11/2023
APPROVED
FALSE

F-DET.8
6.10
Something for forward hadron calorimetry.
10/11/2023
APPROVED
FALSE

P-DET.5
6.10
The hadronic calorimeter in the central detector shall be capable of providing a resolution of s(E)/E ~ 50%/sqrt(E) + 10% in the forward region.
10/11/2023
APPROVED
FALSE

F-DET.9
6.10
Something for forward hadron acceptance.
10/11/2023
APPROVED
FALSE

F-DET-MAG.1
6.10.07
The EIC detector magnet must be consistent with the cryogenic capability of the supply.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.7
6.10.11
The Low-Q² system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.8
6.10.11
The Low-Q² system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.7
6.10.11
The ZDC system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.8
6.10.11
The ZDC system shall provide power supplies for bias, HV and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-ECAL.2
6.10.05
A cooling system shall be provided for the SiPM sensors where needed, with precise temperature control and gain correction for temperature drift.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.2
6.10.03
The tracking system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.3
6.10.03
The tracking system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.4
6.10.03
The tracking system shall provide a gas mixing system for gaseous detectors.
10/11/2023
APPROVED
FALSE
P-DET.6
6.10
The angular acceptance of the far-forward detection shall be capable of providing up to 20 mrad for charged particles and 4.5 mrad for neutrons.
10/11/2023
APPROVED
FALSE

F-DET.10
6.10
The EIC far-forward detector shall measure proton/ion remnants with momenta up to less than 1% different from the proton/ion beam momentum.
10/11/2023
APPROVED
FALSE

G-DET.2
6.10
The interaction region and detector system shall allow electron-ion collisions over the full energy range (√s = 29 GeV to 141 GeV), polarized beams, and a range of ion beams (√s = 29 GeV to 89 GeV), and allow measurements of luminosity and polarizations. The hadron polarimeters can be located at a different ring location.
10/11/2023
APPROVED
FALSE

F-DET.1
6.10
The EIC detector shall be capable to operate over the full range of Center-Of-Mass energy (√s = 29 GeV to 141 GeV), at full luminosity, and for all ion species.
10/11/2023
APPROVED
FALSE

G-DET.3
6.10
The EIC shall be upgradable with a second interaction region and detector system.
10/11/2023
APPROVED
FALSE
G-DET.4
6.10
The detector shall be installed in one of two available interaction points for the EIC, currently selected as IP-6.
10/11/2023
APPROVED
FALSE
G-DET.5
6.10
The central detector shall consist of a barrel augmented by a forward endcap and a backward endcap region forming the central detector to cover the rapidity range h between -4 and 4 for the measurements of electrons, photons, hadrons and jets.
10/11/2023
APPROVED
FALSE
G-DET.6
6.10
The central detector shall be augmented with detectors in the far backward region to measure scattered electrons at small scattering angles.
10/11/2023
APPROVED
FALSE
G-DET.7
6.10
Where feasible, existing infrastructure systems will be reused.
11/01/2023
APPROVED
FALSE

F-DET-INF-MECH.2
6.10.10
The existing rail system used to move the detector from the assembly hall to the collider hall should be preserved.
10/11/2023
APPROVED
FALSE
F-DET-INF-MECH.3
6.10.10
Cradles, carriages, platforms and other support systems from the STAR experiment shall be preserved for reuse.
10/11/2023
APPROVED
FALSE
F-DET-INF-MECH.4
6.10.10
The existing crane systems in the assembly hall and collider hall shall be preserved.
10/11/2023
APPROVED
FALSE

G-DET.8
6.10
The polarimetry and luminosity detectors shall measure the electron and proton beam polarization and monitor the instantaneous collision luminosities.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.1
6.10.11
The luminosity detectors shall be composed of a Pair Spectrometer (PS) with 2 stations (above and below zero degree line) with tracking layers in front, and a direct photon CAL along the zero degree line.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.2
6.10.11
The PS must measure the energy and position of e+e- pairs from bremsstrahlung conversions. The direct photon CAL must measure the energy of the large bremsstrahlung flux while mitigating the high rates of background synchrotron radiation.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

G-DET.9
6.10
The detector and its sub-systems will be functionally integrated with one another, with the interaction region components, and with the facility infrastructure.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.3
6.10.11
B0-system must fit and be integrated into the warm area of the B0-dipole. The B0-systems shall require appropriate power and cabling to support operation of the detector elements.Should have survey marks to determine their physical location
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.5
6.10.11
B0 tracker dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.6
6.10.11
B0 tracker shall provide momentum resolution < 6%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.7
6.10.11
B0 calorimeter dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.8
6.10.11
B0 calorimeter thickness shall be 7 [cm] 6.4( X/X0)
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.9
6.10.11
B0 calorimeter shall provide high granularity which is capable of distinguishing two showers ( calorimeter transverse cell size shall be 2 [cm] in X and 2 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.11
6.10.11
detectors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.5
6.10.11
B0-system must operate at a full projected EIC luminosity and must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.12
6.10.11
Must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.5
6.10.11
LowQ2 system must operate at a full projected EIC luminosity
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.6
6.10.11
Low- Q² tagger will be able to measure the momentum of more than 10 electrons per bunch crossing.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.9
6.10.11
The position of the Low-Q² tracker should be removable and adjustable to accommodate different running conditions.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.6
6.10.11
LowQ2 system must be resistant to extreme background conditions (synchrotron radiation, bremsstrahlung events and slow neutrons in particular) at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.14
6.10.11
The Low-Q2 detectors must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.1
6.10.11
The luminosity detectors shall be composed of a Pair Spectrometer (PS) with 2 stations (above and below zero degree line) with tracking layers in front, and a direct photon CAL along the zero degree line.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.2
6.10.11
The PS must measure the energy and position of e+e- pairs from bremsstrahlung conversions. The direct photon CAL must measure the energy of the large bremsstrahlung flux while mitigating the high rates of background synchrotron radiation.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-OFFMO.3
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ROMAN.2
6.10.11
RPOT will be integrated into the accelerator vacuum system.
10/11/2023
APPROVED
FALSE

P-DET-ANC-ROMAN.8
6.10.11
The RPOTs need cooling of ~100 Watts per active layer,
10/11/2023
APPROVED
FALSE

F-DET-ANC-ROMAN.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ZDC.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ZDC.6
6.10.11
ZDC should provide a VETO for the charged particles
11/01/2023
APPROVED
FALSE
F-DET-DAQ.4
6.10.09
Temperature and humidity levels in all spaces where DAQ hardware exists must be maintained within specifications defined by the manufacturer or by custom electronics operational requirements.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.5
6.10.09
DAQ Room computing shall have an alternate power source available that is battery or generator backed-up for a subset of core resources in case of power outages.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.6
6.10.09
The DAQ system will provide resources for communication with DET subsystems via fiber links between the experimental hall and the DAQ room.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.13
6.10.09
Individual fiber interfaces with all DET subsystems will support at least a 10Gb serial link to DAQ online processing.
10/11/2023
APPROVED
FALSE

F-DET-ECAL.1
6.10.05
Must fit in the available space.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.2
6.10.05
The EMCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.3
6.10.05
The EMCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.5
6.10.05
Photosensors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.1
6.10.06
The HCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.2
6.10.06
The HCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.4
6.10.06
Must be resilient against harsh background conditions, high neutron flux in the IR area in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.7
6.10.06
Must be compact enough to fit in the limited space allocated for the EIC detector, but at the same time provide a hermetic coverage and have sufficient depth in order to efficiently contain the hadronic showers.
10/11/2023
APPROVED
FALSE

P-DET-HCAL.1
6.10.06
HCal layout shall minimize the gaps in coverage between barrel and endcaps.
10/11/2023
APPROVED
FALSE

F-DET.11
6.10
The detector and its sub-systems will require adequate infrastructure resources (i.e. power, cooling, cryogens, etc.) to ensure it can function reliably during continous operations.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.1
6.10.09
All DAQ powered services in the experimental hall and counting house must have access to either 120V AC or 208V AC three phase power.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.2
6.10.09
All DAQ services in the experimental hall must have access to a "clean" ground to maintain good signal quality.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.6
6.10.09
DAQ Room computing shall require electrical power via raised floor distribution sufficient to support XX kW total power usage levels.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.7
6.10.09
DAQ Room computing shall require HVAC cooling via raised floor distribution sufficient to support a XX kW power outlay at tempuratures at or below 76 degrees Fahrenheit.
10/11/2023
APPROVED
FALSE

F-DET.12
6.10
The detector and its sub-systems will require adequate infrastructure capabilities (i.e. crane capacity, floor loading, physical space, etc.) to effectively support operations and maintenance.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.8
6.10.11
The Low-Q² system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.3
6.10.09
All DAQ services in the experimental hall must be adequately shielded from prompt radiation from the beam crossing region of the EIC detector to minimize electronics failures.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.4
6.10.09
User management of required cabling shall be facilitated via a combination of cable trays and/or conduit or rigging between the DAQ room patch panels and the experimental hall areas where DAQ and general network fibers are required.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.5
6.10.09
DAQ Room resources shall sit on a raised floor to allow for forced air, power and signal cabling to be routed to all racks.
10/11/2023
APPROVED
FALSE
P-DET-MAG.4
6.10.07
The detector solenoid cryostat should be able to fit well within the Barrel HCal (radially) and fit within the given space in the axial direction.
10/11/2023
APPROVED
FALSE
P-DET-MAG.5
6.10.07
The magnet shall provide a minimum 2.8 meter bore diameter to support insertion of the detector elements.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.3
6.10.03
The tracking system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.4
6.10.03
The tracking system shall provide a gas mixing system for gaseous detectors.
10/11/2023
APPROVED
FALSE

F-DET.13
6.10
The configuration of the sub-systems within the detector will be coordinated to ensure efficient operation and to minimize adverse interactions between sub-systems.
10/11/2023
APPROVED
FALSE
F-DET.14
6.10
The sub-systems and their support systems must fit in the available space AND provide adequate plenums and pathways for the delivery of services, resources and communications, and for the removal of heat and waste during operations.
10/11/2023
APPROVED
FALSE

P-DET.1
6.10
The EIC central detector shall require a region free of interaction region magnets and other large collider equipment of at least 4.5 m in the backward and 5m in the forward direction around the interaction point.
10/11/2023
APPROVED
FALSE

G-DET.10
6.10
The detector systems must fit within the available space in the experimental hall, and be consistent with the available infrastructure and resources.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.3
6.10.11
B0-system must fit and be integrated into the warm area of the B0-dipole. The B0-systems shall require appropriate power and cabling to support operation of the detector elements.Should have survey marks to determine their physical location
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.5
6.10.11
B0 tracker dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.6
6.10.11
B0 tracker shall provide momentum resolution < 6%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.7
6.10.11
B0 calorimeter dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.8
6.10.11
B0 calorimeter thickness shall be 7 [cm] 6.4( X/X0)
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.9
6.10.11
B0 calorimeter shall provide high granularity which is capable of distinguishing two showers ( calorimeter transverse cell size shall be 2 [cm] in X and 2 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.11
6.10.11
detectors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.5
6.10.11
B0-system must operate at a full projected EIC luminosity and must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.12
6.10.11
Must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.4
6.10.11
Low-Q² tagger will be positioned next to the outgoing electron beampipe, between the B2eR dipole and Q3eR quadrupole.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.1
6.10.11
Low-Q2 will have one or more tagger stations to cover the maximum momentum acceptance
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.6
6.10.11
LowQ2 system must be resistant to extreme background conditions (synchrotron radiation, bremsstrahlung events and slow neutrons in particular) at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.14
6.10.11
The Low-Q2 detectors must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.1
6.10.11
The luminosity detectors shall be composed of a Pair Spectrometer (PS) with 2 stations (above and below zero degree line) with tracking layers in front, and a direct photon CAL along the zero degree line.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.2
6.10.11
The PS must measure the energy and position of e+e- pairs from bremsstrahlung conversions. The direct photon CAL must measure the energy of the large bremsstrahlung flux while mitigating the high rates of background synchrotron radiation.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-OFFMO.3
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ROMAN.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ZDC.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-ANC-ZDC.6
6.10.11
ZDC should provide a VETO for the charged particles
11/01/2023
APPROVED
FALSE
F-DET-DAQ.1
6.10.09
DAQ related resources shall require physical space in the experimental hall (e.g. electronics racks). In the experimental hall multiple designated locations must be available to provide necessary proximity to all instrumented DET systems.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.2
6.10.09
DAQ related resources shall require physical space within the "counting house". A single separated closed space for computing resources (DAQ Room) shall be required in addition to a User occupied operations space (Control room).
10/11/2023
APPROVED
FALSE
F-DET-ECAL.1
6.10.05
Must fit in the available space.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.2
6.10.05
The EMCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.3
6.10.05
The EMCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.5
6.10.05
Photosensors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.1
6.10.06
The HCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.2
6.10.06
The HCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.4
6.10.06
Must be resilient against harsh background conditions, high neutron flux in the IR area in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.7
6.10.06
Must be compact enough to fit in the limited space allocated for the EIC detector, but at the same time provide a hermetic coverage and have sufficient depth in order to efficiently contain the hadronic showers.
10/11/2023
APPROVED
FALSE

P-DET-HCAL.1
6.10.06
HCal layout shall minimize the gaps in coverage between barrel and endcaps.
10/11/2023
APPROVED
FALSE

F-DET.11
6.10
The detector and its sub-systems will require adequate infrastructure resources (i.e. power, cooling, cryogens, etc.) to ensure it can function reliably during continous operations.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.1
6.10.09
All DAQ powered services in the experimental hall and counting house must have access to either 120V AC or 208V AC three phase power.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.2
6.10.09
All DAQ services in the experimental hall must have access to a "clean" ground to maintain good signal quality.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.6
6.10.09
DAQ Room computing shall require electrical power via raised floor distribution sufficient to support XX kW total power usage levels.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.7
6.10.09
DAQ Room computing shall require HVAC cooling via raised floor distribution sufficient to support a XX kW power outlay at tempuratures at or below 76 degrees Fahrenheit.
10/11/2023
APPROVED
FALSE

F-DET.12
6.10
The detector and its sub-systems will require adequate infrastructure capabilities (i.e. crane capacity, floor loading, physical space, etc.) to effectively support operations and maintenance.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.8
6.10.11
The Low-Q² system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.3
6.10.09
All DAQ services in the experimental hall must be adequately shielded from prompt radiation from the beam crossing region of the EIC detector to minimize electronics failures.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.4
6.10.09
User management of required cabling shall be facilitated via a combination of cable trays and/or conduit or rigging between the DAQ room patch panels and the experimental hall areas where DAQ and general network fibers are required.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.5
6.10.09
DAQ Room resources shall sit on a raised floor to allow for forced air, power and signal cabling to be routed to all racks.
10/11/2023
APPROVED
FALSE
P-DET-MAG.4
6.10.07
The detector solenoid cryostat should be able to fit well within the Barrel HCal (radially) and fit within the given space in the axial direction.
10/11/2023
APPROVED
FALSE
P-DET-MAG.5
6.10.07
The magnet shall provide a minimum 2.8 meter bore diameter to support insertion of the detector elements.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.3
6.10.03
The tracking system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.4
6.10.03
The tracking system shall provide a gas mixing system for gaseous detectors.
10/11/2023
APPROVED
FALSE

F-DET.13
6.10
The configuration of the sub-systems within the detector will be coordinated to ensure efficient operation and to minimize adverse interactions between sub-systems.
10/11/2023
APPROVED
FALSE
F-DET.14
6.10
The sub-systems and their support systems must fit in the available space AND provide adequate plenums and pathways for the delivery of services, resources and communications, and for the removal of heat and waste during operations.
10/11/2023
APPROVED
FALSE

P-DET.1
6.10
The EIC central detector shall require a region free of interaction region magnets and other large collider equipment of at least 4.5 m in the backward and 5m in the forward direction around the interaction point.
10/11/2023
APPROVED
FALSE

DET-ANC : Ancillary Detector Systems (WBS 6.10.11)

DET-ANC-B0 : B-Zero Detectors (WBS 6.10.11)

G-DET-ANC-B0.1
6.10.11
The B0 system will provide measurements of charged particles in the forward directions.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.1
6.10.11
Silicon detector with sufficient timing and spatial resolution will provide tracking measurements of the charged particles in the hadron-outgoing direction.
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.1
6.10.11
B0 tracker shall have a pixel granularity < XX (to be determined)
10/11/2023
APPROVED
TRUE
P-DET-ANC-B0.2
6.10.11
B0 tracker shall have a timing resolution < XX (to be determined)
10/11/2023
APPROVED
TRUE
P-DET-ANC-B0.3
6.10.11
B0- tracker shall have at least 4 layers
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.4
6.10.11
B0-system shall measure photons down to 100 MeV.
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.4
6.10.11
The barrel tracking system shall provide a low material budget: < 5% X0.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.10
6.10.11
Energy resolution for photons shall be s(E)/E < 8%/sqrt(E) + (2)%.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.5
6.10.11
B0-system must operate at a full projected EIC luminosity and must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.12
6.10.11
Must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

G-DET-ANC-B0.2
6.10.11
The B0-system will tag protons at higher angles (especially important for lower beam energies).
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.2
6.10.11
B0-system shall provide theta coverage in the range 5.5 < θ < 20.0 mrad (4.6 < ? < 5.9) with respect to the hadron beam line.
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.5
6.10.11
B0 tracker dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.6
6.10.11
B0 tracker shall provide momentum resolution < 6%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.7
6.10.11
B0 calorimeter dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE

G-DET-ANC-B0.3
6.10.11
The B0 system will provide measurements of forward photons and pi0.
10/11/2023
APPROVED
FALSE

F-DET-ANC-B0.4
6.10.11
B0-system shall measure photons down to 100 MeV.
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.4
6.10.11
The barrel tracking system shall provide a low material budget: < 5% X0.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.10
6.10.11
Energy resolution for photons shall be s(E)/E < 8%/sqrt(E) + (2)%.
10/11/2023
APPROVED
FALSE

DET-ANC-B0 EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-ANC-B0.3
6.10.11
B0-system must fit and be integrated into the warm area of the B0-dipole. The B0-systems shall require appropriate power and cabling to support operation of the detector elements.Should have survey marks to determine their physical location
10/11/2023
APPROVED
FALSE

P-DET-ANC-B0.5
6.10.11
B0 tracker dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.6
6.10.11
B0 tracker shall provide momentum resolution < 6%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.7
6.10.11
B0 calorimeter dimensions shall be 24 [cm] in X and 30 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.8
6.10.11
B0 calorimeter thickness shall be 7 [cm] 6.4( X/X0)
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.9
6.10.11
B0 calorimeter shall provide high granularity which is capable of distinguishing two showers ( calorimeter transverse cell size shall be 2 [cm] in X and 2 [cm] in Y
10/11/2023
APPROVED
FALSE
P-DET-ANC-B0.11
6.10.11
detectors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE

DET-ANC-LOWQ2 : Low Q2 Detectors (WBS 6.10.11)

G-DET-ANC-LOWQ2.1
6.10.11
The Low-Q² detectors will measure the momentum of scattered electrons with Q² below 0.1 GeV² in the far-backward region.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.1
6.10.11
The acceptance for the low-Q² tagger should complement the central detector to reach the coverage close to the limits given by the divergence of the beam and beamline magnets.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.1
6.10.11
Low-Q2 will have one or more tagger stations to cover the maximum momentum acceptance
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.4
6.10.11
Low- Q² trackers shall provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.5
6.10.11
Low-Q² trackers will have Q² acceptance between 0 and 0.1 GeV²
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.2
6.10.11
To measure the energy of the scattered electrons the Low-Q² tagger will include a calorimeter.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.2
6.10.11
Each Low-Q2 station will have up to 4 silicon tracking layers
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.10
6.10.11
Low- Q² calorimeter will have granularity ( cell size) XX (to be determined)
10/11/2023
APPROVED
TRUE
P-DET-ANC-LOWQ2.11
6.10.11
Low-Q2 calorimeter energy resolution for electrons shall be s(E)/E < 10%/sqrt(E) + 3%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.14
6.10.11
The Low-Q2 detectors must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.3
6.10.11
To measure the momentum of the scattered electron the Low-Q² tagger will include a tracker.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.2
6.10.11
Each Low-Q2 station will have up to 4 silicon tracking layers
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.3
6.10.11
The Low-Q2 tracking system shall have a spatial resolution providing a momentum resolution < 5%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.4
6.10.11
Low- Q² trackers shall provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.5
6.10.11
Low-Q² trackers will have Q² acceptance between 0 and 0.1 GeV²
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.12
6.10.11
Low- Q² tagger 1 calorimeter will have dimensions XX in X and XX in Y (to be determined)
10/11/2023
APPROVED
TRUE
P-DET-ANC-LOWQ2.13
6.10.11
Low- Q² tagger 2 calorimeter will have dimensions XX in X and XX in Y (to be determined)
10/11/2023
APPROVED
TRUE

F-DET-ANC-LOWQ2.4
6.10.11
Low-Q² tagger will be positioned next to the outgoing electron beampipe, between the B2eR dipole and Q3eR quadrupole.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.1
6.10.11
Low-Q2 will have one or more tagger stations to cover the maximum momentum acceptance
10/11/2023
APPROVED
FALSE

DET-ANC-LOWQ2 EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-ANC-LOWQ2.5
6.10.11
LowQ2 system must operate at a full projected EIC luminosity
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.6
6.10.11
Low- Q² tagger will be able to measure the momentum of more than 10 electrons per bunch crossing.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.9
6.10.11
The position of the Low-Q² tracker should be removable and adjustable to accommodate different running conditions.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LOWQ2.6
6.10.11
LowQ2 system must be resistant to extreme background conditions (synchrotron radiation, bremsstrahlung events and slow neutrons in particular) at the levels specified by the simulation studies
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.14
6.10.11
The Low-Q2 detectors must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LOWQ2.7
6.10.11
The Low-Q² system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LOWQ2.8
6.10.11
The Low-Q² system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE

DET-ANC-LUMI : Luminosity Detectors (WBS 6.10.11)

G-DET-ANC-LUMI.1
6.10.11
The luminosity system utilizes the bremsstrahlung process to provide measurements of the absolute luminosity to a precision of δL/L<= 1% and relative luminosity at 10^-4.
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.1
6.10.11
The luminosity detectors shall be composed of a Pair Spectrometer (PS) with 2 stations (above and below zero degree line) with tracking layers in front, and a direct photon CAL along the zero degree line.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

F-DET-ANC-LUMI.2
6.10.11
The PS must measure the energy and position of e+e- pairs from bremsstrahlung conversions. The direct photon CAL must measure the energy of the large bremsstrahlung flux while mitigating the high rates of background synchrotron radiation.
10/11/2023
APPROVED
FALSE

P-DET-ANC-LUMI.1
6.10.11
The PS CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E) .
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.2
6.10.11
The PS CALs, direct CAL, and trackers shall all provide timing resolution sufficient to resolve 10ns beam buckets
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.3
6.10.11
The PS CAL dimensions shall be 18 [cm] in X , 18 [cm] in Y, and 18 [cm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.4
6.10.11
The PS CAL readout granularity shall be 3 [mm] in X, 3 [mm] in Y, and 3 [mm] in Z
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.5
6.10.11
The PS tracker dimensions shall cover the transverse face of the calorimeter with no acceptance gaps.
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.6
6.10.11
The direct photon CAL energy resolution for electrons shall be s(E)/E < 15%/sqrt(E).
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.7
6.10.11
The direct photon CAL dimensions is expected to be similar to the PS CAL
10/11/2023
APPROVED
FALSE
P-DET-ANC-LUMI.8
6.10.11
The direct photon CAL readout granularity is expecte to be more course grained than the PS CAL
10/11/2023
APPROVED
FALSE

DET-ANC-OFFMO : Off-Momentum Detectors (WBS 6.10.11)

G-DET-ANC-OFFMO.1
6.10.11
The Off-Momentum detectors should provide measurements of charged particles with different magnetic rigidity
10/11/2023
APPROVED
FALSE

F-DET-ANC-OFFMO.1
6.10.11
OFF-Momentum detectors will be placed as close as possible to the beam pipe (outside or inside of the vacuum) (to be verified).
10/11/2023
APPROVED
FALSE

P-DET-ANC-OFFMO.1
6.10.11
OFFM tracker shall have granularity of 500um (pixels) with charge-sharing to achieve spatial resolution < 20um per hit.
10/11/2023
APPROVED
FALSE
P-DET-ANC-OFFMO.2
6.10.11
OFFM will have 2 layers per station
10/11/2023
APPROVED
FALSE
P-DET-ANC-OFFMO.3
6.10.11
OFFM will have 2 stations , separated by 2m
10/11/2023
APPROVED
FALSE
P-DET-ANC-OFFMO.4
6.10.11
OFFM system dimensions will be 10[cm] in X and 20 [cm] in Y (to be determined)
10/11/2023
APPROVED
TRUE
P-DET-ANC-OFFMO.5
6.10.11
OFFM tracker will have timing resolution X<35ps
10/11/2023
APPROVED
FALSE
P-DET-ANC-OFFMO.8
6.10.11
The OMDs need cooling of ~60 Watts per active layer,
10/11/2023
APPROVED
FALSE

F-DET-ANC-OFFMO.2
6.10.11
Silicon detector with sufficient timing and spatial resolution will provide tracking measurements of the charged particles in the hadron-outgoing direction.
10/11/2023
APPROVED
FALSE

P-DET-ANC-OFFMO.6
6.10.11
The OFFM tracking system shall provide a low material budget: < 5% X0.
10/11/2023
APPROVED
FALSE
P-DET-ANC-OFFMO.7
6.10.11
OFFM tracker shall provide momentum resolution <5% and pT resolution of 5% for pT > 500 MeV/c.
10/11/2023
APPROVED
FALSE

F-DET-ANC-OFFMO.3
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE

DET-ANC-ROMAN : Roman Pots (WBS 6.10.11)

G-DET-ANC-ROMAN.1
6.10.11
The Roman-Pots should provide measurements of charged particles close to the beam core.
10/11/2023
APPROVED
FALSE

F-DET-ANC-ROMAN.1
6.10.11
The Roman-Pots will provide coverage in the range 0.0* < θ < 5.0 mrad (? > 6)
(*depends on beam optics, ca 10 sigma)
10/11/2023
APPROVED
FALSE

P-DET-ANC-ROMAN.2
6.10.11
RPOT will have 2 layers per each station
10/11/2023
APPROVED
FALSE
P-DET-ANC-ROMAN.3
6.10.11
RPOT will have 2 stations , separated by 2m
10/11/2023
APPROVED
FALSE
P-DET-ANC-ROMAN.4
6.10.11
RPOT system dimensions will have 26 [cm] in X and 13 [cm] in Y (to be determined)
10/11/2023
APPROVED
TRUE

F-DET-ANC-ROMAN.3
6.10.11
RPOT will provide good t-measurements of far-forward charged particles.
10/11/2023
APPROVED
FALSE

P-DET-ANC-ROMAN.1
6.10.11
RPOT tracker will have granularity of 500um (pixels) with charge-sharing to achieve spatial resolution < 20um per hit.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ROMAN.5
6.10.11
RPOT tracker will have timing resolution < 35 ps
10/11/2023
APPROVED
FALSE
P-DET-ANC-ROMAN.6
6.10.11
The RPOT tracking system shall provide a low material budget: < 5% X0.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ROMAN.7
6.10.11
RPOT tracker shall provide momentum resolution < 5% and pT resolution of 5% for pT > 500 MeV/c.
10/11/2023
APPROVED
FALSE

F-DET-ANC-ROMAN.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE

DET-ANC-ROMAN EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-ANC-ROMAN.2
6.10.11
RPOT will be integrated into the accelerator vacuum system.
10/11/2023
APPROVED
FALSE

P-DET-ANC-ROMAN.8
6.10.11
The RPOTs need cooling of ~100 Watts per active layer,
10/11/2023
APPROVED
FALSE

DET-ANC-ZDC : Zero Degree Calorimeter (WBS 6.10.11)

G-DET-ANC-ZDC.1
6.10.11
The Zero Degree Calorimeter should provide measurements of neutral particles (neutrons and photons).
10/11/2023
APPROVED
FALSE

F-DET-ANC-ZDC.2
6.10.11
ZDC will provide good PT ( or t) -measurements of far-forward neutral particles (photons and neutrons )
10/11/2023
APPROVED
FALSE

P-DET-ANC-ZDC.1
6.10.11
The ZDC will have at least two sections: electromagnetic (EMCAL) and hadronic pars (HCAL)
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.6
6.10.11
ZDC shall have granularity :
1. EMCAL crystal 2cmx2cm towers
2. EMCAL imaging calorimeter 3mmx3mm
3. HCAL 10cmx10cm towers (to be determined)
10/11/2023
APPROVED
TRUE

F-DET-ANC-ZDC.3
6.10.11
ZDC will provide good identification and energy measurements of far-forward neutral particles (photons and neutrons )
10/11/2023
APPROVED
FALSE

P-DET-ANC-ZDC.3
6.10.11
Energy resolution for photons shall be s(E)/E < 10%/sqrt(E) + (1-3)%.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.4
6.10.11
Energy resolution for neutrons shall be s(E)/E < 50%/sqrt(E) + 5%.
10/11/2023
APPROVED
FALSE

F-DET-ANC-ZDC.5
6.10.11
The ZDC EMCAL calorimeter hall provide photon measurements down to 100 MeV.
10/11/2023
APPROVED
FALSE

P-DET-ANC-ZDC.3
6.10.11
Energy resolution for photons shall be s(E)/E < 10%/sqrt(E) + (1-3)%.
10/11/2023
APPROVED
FALSE

F-DET-ANC-ZDC.6
6.10.11
ZDC should provide a VETO for the charged particles
11/01/2023
APPROVED
FALSE

DET-ANC-ZDC EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-ANC-ZDC.4
6.10.11
Must be resistant to extreme background conditions, high neutron flux in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.7
6.10.11
The ZDC system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-ANC-ZDC.8
6.10.11
The ZDC system shall provide power supplies for bias, HV and low voltages.
10/11/2023
APPROVED
FALSE

DET-ANC-ZDC ORPHANS
Functional or performance requirements without parents.

F-DET-ANC-ZDC.1
6.10.11
ZDC will provide theta coverage in the range 0 < θ < 4.5 mrad.
10/11/2023
APPROVED
FALSE

P-DET-ANC-ZDC.2
6.10.11
ZDC system will have dimensions 60 [cm] in X and 60 [cm] in Y and <200 [cm] in Z (to be determined)
10/11/2023
APPROVED
TRUE

P-DET-ANC-ZDC.5
6.10.11
Must handle a data rate and operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE

DET-DAQ : Data Acquisition and Computing Systems (WBS 6.10.09)

G-DET-DAQ.1
6.10.09
The DAQ subsystem shall consist of all resources necessary to communicate with all DET subsystems in order to configure, control and monitor these systems as well as read, process and store data they generate.
10/11/2023
APPROVED
FALSE

F-DET-DAQ.7
6.10.09
The Data Acquisition system will support triggerless (streaming) readout of all DET subsystems as part of normal operation. Asynchronous (triggered) readout from front-end systems will also be supported as an option.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.8
6.10.09
The DAQ system will support independent and simultaneous operation (configuration, control and readout) from multiple DET sub-systems.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.9
6.10.09
All DAQ system communication with DET subsystems will be supported through proprietary fiber-based links. This includes distribution of a system-wide common clock that can be used to synchronize all DET subsystems. This also includes configuration and monitoring of all DET subsystem front end electronics.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.8
6.10.09
Fiber connected to patch panels from the DAQ Room to the external Data Center shall at a minimum be implemented with enough single mode fiber capable of supporting experimental data bandwidths with redundant 100Gb and 400Gb bidirectional network links.
10/11/2023
APPROVED
FALSE

F-DET-DAQ.10
6.10.09
There will be sufficient online processing and networking resources to manage the full DET subsystem output for purposes of zero suppression, primary noise and background filtering as well as event identification for purposes of filtering non-physics related signals.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.9
6.10.09
Fiber connected to patch panels from the Rack Room to Experimental Hall Patch panel shall be implemented with enough single and/or multi-mode fiber capable of supporting both commercial and proprietary bidirectional serial links for all detector system requirements. Minimum aggregate bandwidth capabilities shall not be less than 10Tb/s.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.10
6.10.09
Online data processing capabilities within the experimental hall and counting house shall be sufficient to support event identification, background & noise suppression and data quality monitoring necessary to be able to keep up with front-end data rates and temporarily store filtered data - ready for further offline processing.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.11
6.10.09
Online data storage capabilities within the counting house COMP resources shall be fast enough to keep up with processed data rates and large enough to hold all acquired data locally for up to 72 hours.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.14
6.10.09
The GTU will deliver a stable high resolution clock at the level of 100ps jitter to DET subsystems, with an option to deliver up to a 5ps jitter clock to DET subsystems requiring very high-resolution timing measurements.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.12
6.10.09
Network infrastructure for online computing will provide at least 100Gb non-blocking ethernet links between compute nodes.
10/11/2023
APPROVED
FALSE

F-DET-DAQ.11
6.10.09
Global Timing Unit (GTU) wil provide common timing information to all DET sub systems.
10/11/2023
APPROVED
FALSE

G-DET-DAQ.2
6.10.09
The DAQ subsystem shall consist of COTS hardware where possible, and custom electronics as needed.
10/11/2023
APPROVED
FALSE

F-DET-DAQ.11
6.10.09
Global Timing Unit (GTU) wil provide common timing information to all DET sub systems.
10/11/2023
APPROVED
FALSE

G-DET-DAQ.3
6.10.09
The DAQ subsystem shall use COTS and Open Source software where possible, and collaboration developed software, firmware libraries and applications as needed.
10/11/2023
APPROVED
FALSE
G-DET-DAQ.4
6.10.09
The DAQ subsystem shall distribute all experimental data generated to an external data center for supplemental and optional data processing and archival storage.
10/11/2023
APPROVED
FALSE
DET-DAQ EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-DAQ.1
6.10.09
DAQ related resources shall require physical space in the experimental hall (e.g. electronics racks). In the experimental hall multiple designated locations must be available to provide necessary proximity to all instrumented DET systems.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.2
6.10.09
DAQ related resources shall require physical space within the "counting house". A single separated closed space for computing resources (DAQ Room) shall be required in addition to a User occupied operations space (Control room).
10/11/2023
APPROVED
FALSE
F-DET-DAQ.4
6.10.09
Temperature and humidity levels in all spaces where DAQ hardware exists must be maintained within specifications defined by the manufacturer or by custom electronics operational requirements.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.5
6.10.09
DAQ Room computing shall have an alternate power source available that is battery or generator backed-up for a subset of core resources in case of power outages.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.6
6.10.09
The DAQ system will provide resources for communication with DET subsystems via fiber links between the experimental hall and the DAQ room.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.13
6.10.09
Individual fiber interfaces with all DET subsystems will support at least a 10Gb serial link to DAQ online processing.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.1
6.10.09
All DAQ powered services in the experimental hall and counting house must have access to either 120V AC or 208V AC three phase power.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.2
6.10.09
All DAQ services in the experimental hall must have access to a "clean" ground to maintain good signal quality.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.3
6.10.09
All DAQ services in the experimental hall must be adequately shielded from prompt radiation from the beam crossing region of the EIC detector to minimize electronics failures.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.4
6.10.09
User management of required cabling shall be facilitated via a combination of cable trays and/or conduit or rigging between the DAQ room patch panels and the experimental hall areas where DAQ and general network fibers are required.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.5
6.10.09
DAQ Room resources shall sit on a raised floor to allow for forced air, power and signal cabling to be routed to all racks.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.6
6.10.09
DAQ Room computing shall require electrical power via raised floor distribution sufficient to support XX kW total power usage levels.
10/11/2023
APPROVED
FALSE
P-DET-DAQ.7
6.10.09
DAQ Room computing shall require HVAC cooling via raised floor distribution sufficient to support a XX kW power outlay at tempuratures at or below 76 degrees Fahrenheit.
10/11/2023
APPROVED
FALSE

DET-DAQ ORPHANS
Functional or performance requirements without parents.

F-DET-DAQ.SC.1
6.10.09
General network infrastructure for support of Slow Controls management, configuration and operation will be provided for all DET subsystems as well as all the general ancillary network capable equipment in the counting house and experimental hall.
10/11/2023
APPROVED
FALSE

P-DET-DAQ.SC.1
6.10.09
The general network infrastructure within the counting house and expeimental hall will support at a minimum 1 and 10 Gb ethernet links.
10/11/2023
APPROVED
FALSE

F-DET-DAQ.SC.2
6.10.09
Shared hardware and software computing components will be available for Slow Controls configuration, operation, monitoring and mangement.
10/11/2023
APPROVED
FALSE
F-DET-DAQ.3
6.10.09
The DAQ subsystem shall be designed to operate continuously, independent of the state of the other detector subsystems.
10/11/2023
APPROVED
FALSE

DET-ECAL : Electromagnetic Calorimetry Systems (WBS 6.10.05)

G-DET-ECAL.1
6.10.05
EMCal shall provide measurements of photons, including ones from pi0, eta and other decays; and shall play a key role to identify scattered and decay electrons and measure their kinematic parameters
10/11/2023
APPROVED
FALSE

F-DET-ECAL.6
6.10.05
Must operate at full luminosity and expected background conditions (rad. dose, neutron flux).
10/11/2023
APPROVED
FALSE

P-DET-ECAL.1
6.10.05
The noise level per channel shall be low enough to provide photon measurements down to the minimal photon energy.
10/11/2023
APPROVED
FALSE
P-DET-ECAL.3
6.10.05
The monitoring system shall contain: Light system (LED or laser), test pulse (for electronics), dark current (for SiPM).
10/11/2023
APPROVED
FALSE

F-DET-ECAL.7
6.10.05
Must provide adequate energy and position resolution for photon and electron measurements, and eID through E/p cut.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.8
6.10.05
Shall provide discrimination between single photon and merged photon from pi0 decay.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.9
6.10.05
Shall provide photon measurements down to 100 MeV.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.6
6.10.05
System shall have low material budget on the way from the vertex: <5%X0 in the 1st half a way, or <10%X0 on the second half a way, or <30%X0 just in front of EMCal (within 10cm).
10/11/2023
APPROVED
FALSE
P-DET-ECAL.3
6.10.05
The monitoring system shall contain: Light system (LED or laser), test pulse (for electronics), dark current (for SiPM).
10/11/2023
APPROVED
FALSE

F-DET-ECAL.10
6.10.05
Must provide timing sufficient to discriminate between different bunch crossings.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.11
6.10.05
Material in front of EMCals will be minimized to the level not jeopardizing EMCal performance.
10/11/2023
APPROVED
FALSE

G-DET-ECAL.2
6.10.05
EMCal subsystem(s) shall cover the backward, the barrel and the forward region.
10/11/2023
APPROVED
FALSE

F-DET-ECAL.4
6.10.05
Design must minimize the loss of functionality in transition between barrel and endcap regions.
10/11/2023
APPROVED
FALSE

DET-ECAL EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-ECAL.1
6.10.05
Must fit in the available space.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.2
6.10.05
The EMCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.3
6.10.05
The EMCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-ECAL.5
6.10.05
Photosensors and readout electronics must tolerate the magnetic field in the subsystem location.
10/11/2023
APPROVED
FALSE
P-DET-ECAL.2
6.10.05
A cooling system shall be provided for the SiPM sensors where needed, with precise temperature control and gain correction for temperature drift.
10/11/2023
APPROVED
FALSE

DET-ECAL-BAR : Barrel EMCal Systems (WBS 6.10.05)

G-DET-ECAL-BAR.1
6.10.05
Barrel EMCal shall identify scattered electrons and measure their energy, in high Q² events; it also serves to identify decay electrons, e.g. from vector or heavy flavor meson decays, and to measure DVCS photons and decay photons
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BAR.1
6.10.05
Shall provide electron ID up to 50 GeV and down to 1 GeV and below.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BAR.1
6.10.05
Energy resolution shall be s(E)/E < 10%/sqrt(E) + (2-3)%.
10/11/2023
APPROVED
FALSE
P-DET-ECAL-BAR.2
6.10.05
System shall provide high power for e/pi separation down to 1 GeV/c.
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BAR.2
6.10.05
Shall provide photon measurements up to 10 GeV.
10/11/2023
APPROVED
FALSE
F-DET-ECAL-BAR.3
6.10.05
Must provide discrimination between single photon and merged photon from pi0 decay up to 10 GeV.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BAR.3
6.10.05
System shall be capable of distinguishing two showers with opening angle down to 30 mrad.
10/11/2023
APPROVED
FALSE

G-DET-ECAL-BAR.2
6.10.05
EMCal shall provide a charged tracking point behind the DIRC to help charged hadron PID
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BAR.4
6.10.05
The first imaging layer shall provide a charged tracking point behind the DIRC to help charged hadron PID
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BAR.4
6.10.05
The first imaging layer shall provide a charged tracking point with space resolution of <150um.
10/11/2023
APPROVED
FALSE

G-DET-ECAL-BAR.3
6.10.05
EMCal shall assist with muon identification.
10/11/2023
APPROVED
FALSE
DET-ECAL-BAR ORPHANS
Functional or performance requirements without parents.

F-DET-ECAL-BAR.5
6.10.05
Four imaging planes shall be produced for a baseline, with mechanical design being capable to accommodate six imaging planes.
10/11/2023
APPROVED
FALSE
P-DET-ECAL-BAR.5
6.10.05
Shall have sufficient dynamic range to detect MIP signals in all layers.
10/11/2023
APPROVED
FALSE

DET-ECAL-BCK : Backward EMCal Systems (WBS 6.10.05)

G-DET-ECAL-BCK.1
6.10.05
Backward EMCal shall identify scattered electrons and measure their energy, in low and medium Q² events; it also serves to identify decay electrons, e.g. from vector or heavy flavor meson decays, and measure DVCS photons and decay photons
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BCK.1
6.10.05
Shall provide high precision measurements for electrons up to 18 GeV and pseudo rapidity down to -3.5.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.1
6.10.05
System shall cover pseudo rapidity down to -3.5.
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BCK.2
6.10.05
Shall provide measurements of scattered electrons for the events down to Q²=1 GeV² (=> acceptance requirements).
10/11/2023
APPROVED
FALSE
F-DET-ECAL-BCK.3
6.10.05
Must provide strong eID capabilities down to 1 GeV/c.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.2
6.10.05
Energy resolution shall be s(E)/E ~ (2-3)%/sqrt(E) + (1-2)%
10/11/2023
APPROVED
FALSE
P-DET-ECAL-BCK.3
6.10.05
System shall have high power for e/pi separation down to 1 GeV/c.
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BCK.4
6.10.05
Shall provide photon measurements up to 18 GeV.
10/11/2023
APPROVED
FALSE
F-DET-ECAL-BCK.5
6.10.05
Must provide discrimination between single photon and merged photon from pi0 decay up to 18 GeV.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.4
6.10.05
System shall have high granularity and be capable of distinguishing two showers with opening angle down to 0.015 (=>tower size).
10/11/2023
APPROVED
FALSE

F-DET-ECAL-BCK.7
6.10.05
A cooling system shall be provided for the lead-tungstate based detector.
10/11/2023
APPROVED
FALSE

P-DET-ECAL-BCK.7
6.10.05
A cooling system shall be provided.
10/11/2023
APPROVED
FALSE

DET-ECAL-BCK EXTERNALS
Requirements who's parents are in other sub-systems.

P-DET-ECAL-BCK.6
6.10.05
System shall have low material budget on the way from the vertex: <5%X0 in the 1st half a way, or <10%X0 on the second half a way, or <30%X0 just in front of EMCal (within 10cm).
10/11/2023
APPROVED
FALSE

DET-ECAL-FWD : Forward EMCal Systems (WBS 6.10.05)

DET-ELEC : Electronic Systems (WBS 6.10.08)

G-DET-ELEC.1
6.10.08
The EIC detector readout electronics shall provide the means to acquire, process and deliver detector signals to the DAQ system. Streaming readout shall be the default or nominal operation mode; to facilitate calibration and testing or debugging, a triggered operation mode shall be implemented at every level.
10/11/2023
APPROVED
FALSE

F-DET-ELEC.1
6.10.08
The EIC detector readout electronics will provide signal conditioning to detector signals by the shaping constants, amplification, digitization and signal drive via discrete components and Application Specific Integrated Circuits (ASIC).
10/11/2023
APPROVED
FALSE

P-DET-ELEC.1
6.10.08
In the current conceptual design, two ASICs shall be used for the readout of MPGD and photonic sensors. These will be 64-channel, 1 W nominal power consumption. MPGDs: amplification (1 to 10), shaping (40 to 250 ns), digitization (12-bit precision), better than 20 ns timing resolution. Photonic sensors: amplification (2 to 30 mV/fC), shaping (1 to 40 ns), digitization (10 to 14-bit precision), timing resolution (100 ps to <1 ns).
10/11/2023
APPROVED
FALSE

F-DET-ELEC.2
6.10.08
The EIC detector readout electronics will process detector signals on the Front End Board (FEB). The FEB is typically characterized by the use of ASICs and customized for each type of sub-detector. Data transport off the FEB is made via copper links to the RDOs (Readout Boards) or DAQ system.
10/11/2023
APPROVED
FALSE

P-DET-ELEC.2
6.10.08
FEB shall include ASICs, support components and interfaces, where applicable. FEBs may implement data reduction techniques, such as zero suppression, to reduce data volume.
10/11/2023
APPROVED
FALSE

F-DET-ELEC.3
6.10.08
The EIC detector readout electronics will process, collect and aggregate data within the Readout Board (RDO). The RDO is typically characterized by the use of FPGAs. Data transport off the RDO is made via optical fibers to the DAQ, which may consist of FELIX-type cards, network servers or network switches.
10/11/2023
APPROVED
FALSE

P-DET-ELEC.3
6.10.08
RDO shall include FPGAs and interface via optical fibers to the DAQ. Data aggregation (10:1), reduction techniques and processing via ML/AI algorithms shall reduce data volume by a factor of 10 or more during normal operation.
10/11/2023
APPROVED
FALSE

F-DET-ELEC.4
6.10.08
The FEB and RDO boards will be remotely configured for proper operation of their programmable logic device, such as FPGAs. Processor boards or single board computers used with critical detector systems may require remote booting of OS.
10/11/2023
APPROVED
FALSE

DET-ELEC ORPHANS
Functional or performance requirements without parents.

P-DET-ELEC.4
6.10.08
Electronics and electronic components shall meet commercial operating environment specifications; critical systems shall consider conformance to industrial specifications, and use industrial/automotive grade components when available and economically feasible.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.5
6.10.08
The detector ground (i.e., Clean Ground) shall be segregated from other equipment grounding. The grounding around the solenoid and the south platform from the detector ground reference, which shall be isolated from other systems and structures and connected to the experimental area ground via six (6) low impedance, insulated 4/0 wires. Other equipment, such as the solenoid power supplies and control systems, shall connect to the experimental area grounding connection separately from the clean ground. All connections shall be effected via low impedance insulated wires (e.g., 4/0). These wires shall have differently colored insulation for easy identification of segregated grounds.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.6
6.10.08
Power supplies (HV, LV, Bias) shall be of the floating type and referenced to the detector clean ground.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.7
6.10.08
Cabling shall be rated to National Electrical Code (NEC) 2020, NFPA 70, UL CL2 or better. Cable jackets shall be marked to UL standards by the manufacturer. Cables rated with the X suffix (Dwellings) (e.g., CL2X, CMX) are not permitted.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.8
6.10.08
Cable routing shall conform to NECA/NEMA 105/2007 for open cable tray systems.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.9
6.10.08
All electrical equipment in the experimental area shall conform to EMI/RFI standards FCC Class B, CISPR11/EN 55011 Class B, CISPR22/EN 55022 Class B, EN 61000-6-3 or equivalent. Exceptions shall be evaluated via EMI/RFI measurement surveys.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.10
6.10.08
Cabinet racks (19 inch type), open or closed frame types (e.g., Hammond C4F247736), shall be COTS and equipped with horizontal and vertical cable managers. These shall accommodate a minimum of three equipment crates or chassis.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.11
6.10.08
Equipment crates or chassis for HV, LV and Bias supplies and for data acquisition shall be rated for a maximum of 2.5 kW each and powered from 120 VAC or 208 VAC 3-phase, preferably.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.12
6.10.08
Any equipment that is powered by a plug and cord shall be either listed by a Nationally Recognized Testing Lab (NRTL) such as UL or have been approved by the Laboratory EEI (Electrical Equipment Inspection) program.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.13
6.10.08
Cables shall have sufficient excess length (slack or service loop) to allow connection without strain. Cables outside of the enclosure shall be dressed in a way that allows removal of any module without obstruction, those inside the enclosure shall have sufficient slack to allow visual inspection, connection, and disconnection with all other modules installed.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.14
6.10.08
Electrical components shall be derated to 80%, if the manufacturer has not already done so, and if such derating is economically feasible.
10/11/2023
APPROVED
FALSE
P-DET-ELEC.15
6.10.08
Enclosures and removable modules should use captive hardware when possible.
10/11/2023
APPROVED
FALSE

DET-HCAL : Hadronic Calorimetry Systems (WBS 6.10.06)

G-DET-HCAL.1
6.10.06
Hadronic calorimeter (HCal) subsystem must provide hadron energy measurement, in particular for the jet neutral component identification (neutrons and K-long's), as well as to serve as a tail catcher for the e/m calorimeters
10/11/2023
APPROVED
FALSE

F-DET-HCAL.3
6.10.06
Must operate reliably at a full projected EIC luminosity.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.5
6.10.06
Must provide a reasonable energy measurement for charged hadrons.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.6
6.10.06
Must provide means for neutral hadron identification and energy measurement.
10/11/2023
APPROVED
FALSE

P-DET-HCAL.2
6.10.06
Shall provide practical detection threshold ~500 MeV as defined in the EIC Yellow Report.
10/11/2023
APPROVED
FALSE

G-DET-HCAL.2
6.10.06
Functionality shall cover the barrel and the forward region, and should cover the backward region.
10/11/2023
APPROVED
FALSE
DET-HCAL EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-HCAL.1
6.10.06
The HCal systems shall require adequate support structures, and survey marks to determine their physical location.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.2
6.10.06
The HCal systems shall require appropriate power and cabling to support operation of the detector elements.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.4
6.10.06
Must be resilient against harsh background conditions, high neutron flux in the IR area in particular, at the levels specified by the simulation studies.
10/11/2023
APPROVED
FALSE
F-DET-HCAL.7
6.10.06
Must be compact enough to fit in the limited space allocated for the EIC detector, but at the same time provide a hermetic coverage and have sufficient depth in order to efficiently contain the hadronic showers.
10/11/2023
APPROVED
FALSE

P-DET-HCAL.1
6.10.06
HCal layout shall minimize the gaps in coverage between barrel and endcaps.
10/11/2023
APPROVED
FALSE

DET-HCAL-BAR : Barrel HCal Systems (WBS 6.10.06)

DET-HCAL-BCK : Backward HCal Systems (WBS 6.10.06)

DET-HCAL-FWD : Forward HCal Systems (WBS 6.10.06)

G-DET-HCAL-FWD.1
6.10.06
Forward HCal shall play a crucial role in jet energy and kinematics reconstruction in the hadron endcap, complementing tracking and e/m calorimetry in the particle flow algorithms, and be consistent with the ePIC detector solenoid design
10/11/2023
APPROVED
FALSE

F-DET-HCAL-FWD.1
6.10.06
Must provide hadron energy measurements up to the highest hadron energies in a 250(p) x 18(e) GeV beam configuration and pseudorapidity up to 3.5, with energy resolution defined by the community Yellow Report and subsequent ePIC simulation studies
10/11/2023
APPROVED
FALSE

P-DET-HCAL-FWD.1
6.10.06
Must cover pseudo rapidity range up to at least 3.5.
10/11/2023
APPROVED
FALSE
P-DET-HCAL-FWD.2
6.10.06
Shall have energy resolution s(E)/E ~ 50%/sqrt(E) + a 10 % constant term.
10/11/2023
APPROVED
FALSE

F-DET-HCAL-FWD.2
6.10.06
The design must be coupled well with a compensated forward e/m calorimeter for high precision jet energy measurements.
10/11/2023
APPROVED
FALSE

P-DET-HCAL-FWD.3
6.10.06
Granularity (transverse tower size) should be adequate to resolve deposits from different charged and neutral hadrons taking into account the local abundance, resulting in transverse tower sizes of at least ~5x5 cm^2 for \eta < 2.5 and 3x3 cm^2 for 2.5 < \eta < 4
10/11/2023
APPROVED
FALSE
P-DET-HCAL-FWD.4
6.10.06
Must have tower depth of 6-7 interaction lengths (together with the e/m section) in order to avoid longitudinal leakage for highest energy hadrons at the EIC.
10/11/2023
APPROVED
FALSE
P-DET-HCAL-FWD.5
6.10.06
Granularity (longitudinal tower size) should be adequate to allow for association of showers starting at different depth to the corresponding charged and neutral hadrons. At least 5 longitudinal segments should be read out to determine the shower maximum reliably. For higher rapidity the segmentation should be increased due to the higher particle density
10/11/2023
APPROVED
FALSE

F-DET-HCAL-FWD.3
6.10.06
The calorimeter structure must serve as part of the solenoid flux return
10/11/2023
APPROVED
FALSE

P-DET-HCAL-FWD.6
6.10.06
Calorimeter absorber blocks in the volume allocated for the flux return must be partly built out of a magnetic steel with the permeability defined by the solenoid designers
10/11/2023
APPROVED
FALSE

DET-INF : Infrastructure Systems (WBS 6.10.10)

G-DET-INF.1
6.10.10
There will be distinct infrastructure requirements for the assembly hall, the collider hall, and the interaction region.
10/11/2023
APPROVED
FALSE
G-DET-INF.2
6.10.10
Infrastructure systems for the assembly hall shall include all power, water, environmental cooling, cryogenics, gas handling, clean compressed air delivery, space, fire protection, Helium Leak Detection, ODH Detection and any other Personnel Safety Systems, material handling and support systems required to assemble and maintain the central detector systems.
11/01/2023
APPROVED
FALSE

F-DET-INF-ELEC.1
6.10.10
All detectors require isolated power and grounding from facilities power systems. This will be accomplished from existing and newly installed Delta/Wye transformers with a single point star grounding (AKA clean or magnet ground) scheme at the WAH.
10/11/2023
APPROVED
FALSE
F-DET-INF-MECH.1
6.10.10
Floors in the assembly and collider hall must be adequate to support the static and moving load of the experimental detector systems. Load limits need to be determined and verified.
11/01/2023
APPROVED
TRUE

P-DET-INF-MECH.1
6.10.10
The floor, rails and cradle shall be capable of supporting a static or moving load of 1200 tons (central detector).
11/01/2023
APPROVED
FALSE
P-DET-INF-MECH.2
6.10.10
A rail system for the Lepton end cap calorimeters shall be installed that is sufficient to carry 400ton and maintain a free center gap of 10 centimeters.
11/01/2023
APPROVED
FALSE

G-DET-INF.3
6.10.10
Infrastructure systems for the collider hall shall include all power, water, environmental cooling, cryogenics, gas handling, clean compressed air delivery, space, fire protection, Helium Leak Detection, ODH Detection and any other Personnel Safety Systems, Cryo Protection, material handling and support systems required to operate the entire detector systems.
11/01/2023
APPROVED
FALSE

F-DET-INF-COOL.1
6.10.10
The WAH requires cooling capacity adequate for the heat generated by the detector, detector sub systems, detector support electronics and facility systems in the WAH. Comment: New airhandlers and cooling systems needed
11/01/2023
APPROVED
FALSE

P-DET-INF-COOL.1
6.10.10
The temperature in the WAH should be maintained between 20°C to 25°C
10/11/2023
APPROVED
FALSE
P-DET-INF-COOL.2
6.10.10
Relative Humidity under 50% to prevent condensation.
11/01/2023
APPROVED
FALSE
P-DET-INF-COOL.3
6.10.10
Where fan/ blower cooling is inadequate, water-cooled heat exchangers are required to maintain the ambient environment of enclosed electronic assemblies and equipment to a temperature of under 40°C.
10/11/2023
APPROVED
FALSE

F-DET-INF-CRYO.1
6.10.10
A cryogenic transfer system shall be provided within the collider hall to allow cryogenic distribution for the experimental solenoid.
10/11/2023
APPROVED
FALSE

P-DET-INF-CRYO.1
6.10.10
The cryogenic system shall provide a flow rate of XX g/s to the experimental solenoid.
10/11/2023
APPROVED
FALSE

F-DET-INF-ELEC.1
6.10.10
All detectors require isolated power and grounding from facilities power systems. This will be accomplished from existing and newly installed Delta/Wye transformers with a single point star grounding (AKA clean or magnet ground) scheme at the WAH.
10/11/2023
APPROVED
FALSE
F-DET-INF-GAS.1
6.10.10
Gas based detectors will require the appropriate gas mixing and handling systems.
11/01/2023
APPROVED
FALSE

P-DET-INF-GAS.1
6.10.10
Gas based detectors shall be provided with the appropriate gas handling systems.
10/11/2023
APPROVED
FALSE

F-DET-INF-MECH.1
6.10.10
Floors in the assembly and collider hall must be adequate to support the static and moving load of the experimental detector systems. Load limits need to be determined and verified.
11/01/2023
APPROVED
TRUE

P-DET-INF-MECH.1
6.10.10
The floor, rails and cradle shall be capable of supporting a static or moving load of 1200 tons (central detector).
11/01/2023
APPROVED
FALSE
P-DET-INF-MECH.2
6.10.10
A rail system for the Lepton end cap calorimeters shall be installed that is sufficient to carry 400ton and maintain a free center gap of 10 centimeters.
11/01/2023
APPROVED
FALSE

G-DET-INF.4
6.10.10
Infrastructure systems for the interaction region shall include all power, water, environmental cooling, cryogenics, gas handling, space, material handling and support systems required to assemble, operate and maintain the far forward and far backward detector systems.
10/11/2023
APPROVED
FALSE

F-DET-INF-ELEC.1
6.10.10
All detectors require isolated power and grounding from facilities power systems. This will be accomplished from existing and newly installed Delta/Wye transformers with a single point star grounding (AKA clean or magnet ground) scheme at the WAH.
10/11/2023
APPROVED
FALSE

G-DET-INF.5
6.10.10
Infrastructure systems shall provide adequate space, environmental cooling, and distribution for DAQ and local computing.
10/11/2023
APPROVED
FALSE
G-DET-INF.6
6.10.10
Space and facilities for the experimental control room and operations shall be preserved.
10/11/2023
APPROVED
FALSE

DET-INF-COOL : Heating and Cooling Infrastructure (WBS 6.10.10)

DET-INF-CRYO : Cryogenic Infrastructure (WBS 6.10.10)

DET-INF-ELEC : Electrical Infrastructure (WBS 6.10.10)

DET-INF-GAS : Gas Infrastructure (WBS 6.10.10)

DET-INF-MECH : Mechanical, Structural and Plumbing Infrastructure (WBS 6.10.10)

DET-MAG : Solenoid Magnet (WBS 6.10.07)

G-DET-MAG.1
6.10.07
The EIC detector magnet shall provide a central field, a sufficiently large room temperature bore, and a magnet length consistent with the detector need to fulfill EIC science requirements
10/11/2023
APPROVED
FALSE

F-DET-MAG-CCR.1
6.10.07.01
The cryocan should be able to hold the required volume of Liquid Helium and shall be protected for pressure overages.
10/11/2023
APPROVED
FALSE
F-DET-MAG-CCR.2
6.10.07.01
The cryo-flex line should have sufficiently low losses, so that the input temperature to the magnet can be maintained.
10/11/2023
APPROVED
FALSE

P-DET-MAG-CCR.1
6.10.07.01
The cryo-flex line should be long enough so that the magnet can be rolled out of Hall without disconnecting the cryo connection.
10/11/2023
APPROVED
FALSE

F-DET-MAG-I&C.1
6.10.07.02
The magnet control and instrumentation shall be able to read all the temperature and stress sensor in the magnet.
10/11/2023
APPROVED
FALSE

P-DET-MAG-I&C.1
6.10.07.02
The magnet I&C should be able diagnose a quench and initiate the energy dumping procedure.
10/11/2023
APPROVED
FALSE
P-DET-MAG-I&C.2
6.10.07.02
The magnet I&C should be able to provide all the interlocks required for the magnet safe operation.
10/11/2023
APPROVED
FALSE

F-DET-MAG-PSU.1
6.10.07.03
Magnet power shall be able to supply required current to the magnet to produce a 1.7 T central field, with a stretch goal of 2 T.
10/11/2023
APPROVED
FALSE

P-DET-MAG-PSU.1
6.10.07.03
Magnet power supply shall have a quench detection system.
10/11/2023
APPROVED
FALSE
P-DET-MAG-PSU.2
6.10.07.03
Magnet power supply shall be able to dump the magnet stored energy in a dump resistor.
10/11/2023
APPROVED
FALSE

F-DET-MAG.2
6.10.07
The EIC detector magnet shall fulfill the field specification (as specified in the magnetic field specification document), the main area for field specifications are (i) flat field area, (ii) RICH detector area, (iii) stray field at IR magnets, and (iv) stray field at the RCS location.
10/11/2023
APPROVED
FALSE

P-DET-MAG.1
6.10.07
The EIC detector magnet shall be able to operate at 4.5K (liquid Helium).
10/11/2023
APPROVED
FALSE
P-DET-MAG.2
6.10.07
The detector solenoid shall be able to operate at a lower field (0.5 T), without sacrificing the field quality.
10/11/2023
APPROVED
FALSE
P-DET-MAG.3
6.10.07
The detector solenoid shall be aligned along the electron axis.
10/11/2023
APPROVED
FALSE

DET-MAG EXTERNALS
Requirements who's parents are in other sub-systems.

F-DET-MAG.1
6.10.07
The EIC detector magnet must be consistent with the cryogenic capability of the supply.
10/11/2023
APPROVED
FALSE
P-DET-MAG.4
6.10.07
The detector solenoid cryostat should be able to fit well within the Barrel HCal (radially) and fit within the given space in the axial direction.
10/11/2023
APPROVED
FALSE
P-DET-MAG.5
6.10.07
The magnet shall provide a minimum 2.8 meter bore diameter to support insertion of the detector elements.
10/11/2023
APPROVED
FALSE

DET-MAG-CCR : Magnet Cryogenics (WBS 6.10.07.01)

DET-MAG-I&C : Magnet Instrumentation and Control (WBS 6.10.07.02)

DET-MAG-PSU : Magnet Power Supply (WBS 6.10.07.03)

DET-PID : Particle Identification Systems (WBS 6.10.04)

DET-PID-BAR : Barrel Particle ID Systems (WBS 6.10.04)

DET-PID-BAR-DIRC : Barrel DIRC Systems (WBS 6.10.04)

DET-PID-BAR-TOF : Barrel Time of Flight Systems (WBS 6.10.04)

DET-PID-BCK : Backward Particle ID Systems (WBS 6.10.04)

DET-PID-BCK-RICH : Backward Ring Imaging Cerenkov Counter (WBS 6.10.04)

DET-PID-FWD : Forward Particle ID Systems (WBS 6.10.04)

DET-PID-FWD-RICH : Forward Ring Imaging Cerenkov Counter (WBS 6.10.04)

DET-PID-FWD-TOF : Forward Time of Flight Systems (WBS 6.10.04)

DET-POL : Polarimetry and Luminosity (WBS 6.10.14)

DET-POL-EPOL : Electron Polarimetry (WBS 6.10.14.01)

DET-POL-EPOL-ESR : Electron Storage Ring Polarimetry (WBS 6.10.14.01.01)

G-DET-POL-EPOL-ESR.1
6.10.14.01.01
The ESR Compton shall measure the electron polarization in the electron storage ring.
10/11/2023
APPROVED
FALSE

F-DET-POL-EPOL-ESR.1
6.10.14.01.01
A strip detector will be used to detect scattered electrons from (at least) asymmetry zero crossing to kinematic endpoint.
10/11/2023
APPROVED
FALSE
F-DET-POL-EPOL-ESR.2
6.10.14.01.01
A Roman pot will be required to protect electron detector from beam Wakefield.
10/11/2023
APPROVED
FALSE
F-DET-POL-EPOL-ESR.3
6.10.14.01.01
The strip detector shall be used to detect back-scattered photons with sufficient resolution measure the spatial asymmetry.
10/11/2023
APPROVED
FALSE
F-DET-POL-EPOL-ESR.4
6.10.14.01.01
A calorimeter will be used to measure backscattered photon energy.
10/11/2023
APPROVED
FALSE
F-DET-POL-EPOL-ESR.5
6.10.14.01.01
The photon detector system will be at least 20 to 25 meters from the Compton IP (to be verified).
10/11/2023
APPROVED
FALSE

DET-POL-EPOL-ESR EXTERNALS
Requirements who's parents are in other sub-systems.

P-DET-POL-EPOL-ESR.1
6.10.14.01.01
The systematic and statistical uncertainty will be 1% or better.
10/11/2023
APPROVED
FALSE

DET-POL-EPOL-ESR ORPHANS
Functional or performance requirements without parents.

P-DET-POL-EPOL-ESR.2
6.10.14.01.01
The measurement time shall be less than the bunch lifetime in the ring (~2 minutes).
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.4
6.10.14.01.01
The laser repetition rate shall match the beam frequency (25-100 MHz) and will have the capability of achieving a ~75 kHz pulse rate.
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.6
6.10.14.01.01
The time response of all detectors (electron and photon) will be sufficient to resolve beam bunch (<10 ns).
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.7
6.10.14.01.01
The electron detector shall cover at least 6 cm (horizontal) (to be verified).
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.8
6.10.14.01.01
The electron strip detector pitch shall be 400 um or smaller (to be verified).
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.9
6.10.14.01.01
The photon calorimeter and strip detector will cover at least 4 x 4 cm² (to be verified).
10/11/2023
APPROVED
FALSE
P-DET-POL-EPOL-ESR.10
6.10.14.01.01
The photon detector strip detector pitch shall be ~100 um (to be verified).
10/11/2023
APPROVED
FALSE

DET-POL-EPOL-RCS : Rapid Cycling Synchrotron Polarimetry (WBS 6.10.14.01.02)

DET-POL-HPOL : Hadron Polarimetry (WBS 6.10.14.02)

DET-POL-HPOL-HJET : HJET Polarimetery (WBS 6.10.14.02.01)

DET-POL-HPOL-PC : Proton-Carbon Polarimeter (WBS 6.10.14.02.02)

G-DET-POL-HPOL-PC.1
6.10.14.02.02
The pC polarimeter shall measure the relative polarization loss at flattop energy during a store and the transverse polarization profile of the hadron bunches.
10/11/2023
APPROVED
FALSE

F-DET-POL-HPOL-PC.2
6.10.14.02.02
The pC polarimeters shall be equipped with ultra-thin fiber targets which scan the beam profile horizontally and vertically.
10/11/2023
APPROVED
FALSE
F-DET-POL-HPOL-PC.3
6.10.14.02.02
The pC polarimeter target stations shall carry enough fiber targets to last throughout a year of EIC operations.
10/11/2023
APPROVED
FALSE
F-DET-POL-HPOL-PC.4
6.10.14.02.02
The bias current of the detectors shall be constantly monitored.
10/11/2023
APPROVED
FALSE

G-DET-POL-HPOL-PC.2
6.10.14.02.02
The pC polarimeter near the experimental IR shall measure the orientation of the polarization vector (local polarimetry).
10/11/2023
APPROVED
FALSE

F-DET-POL-HPOL-PC.1
6.10.14.02.02
Six silicon detectors must be located to the left and right of the beam and under 45 degrees with respect to the accelerator plane.
10/11/2023
APPROVED
FALSE

DET-POL-HPOL-PC ORPHANS
Functional or performance requirements without parents.

P-DET-POL-HPOL-PC.1
6.10.14.02.02
The pC devices shall measure the relative beam polarization within 30 seconds with an uncertainty of 2% or less.
10/11/2023
APPROVED
FALSE
P-DET-POL-HPOL-PC.2
6.10.14.02.02
The target fibers shall be thin enough to provide a measurement of the transverse polarization profile of the beam bunches.
10/11/2023
APPROVED
FALSE
P-DET-POL-HPOL-PC.3
6.10.14.02.02
The pC polarimeter shall be able to measure the bunch-by-bunch polarization for each hadron beam fill.
10/11/2023
APPROVED
FALSE

DET-TRAK : Tracking Systems (WBS 6.10.03)

G-DET-TRAK.1
6.10.03
The tracking systems shall provide coordinate measurements of charged particles traversing a magnetic field, and provide a sufficient lever arm to provide measurements of the momenta and angles of the particles.
10/11/2023
APPROVED
FALSE

F-DET-TRAK.1
6.10.03
The tracking system must provide a low detection threshold for pions and kaons.
10/11/2023
APPROVED
FALSE

P-DET-TRAK-BAR.1
6.10.03
The barrel tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+0.5% in the rapidity region between -1 to 1.
11/01/2023
APPROVED
FALSE
P-DET-TRAK.1
6.10.03
The tracking system must provide a minimum pT of 100 MeV π, 130 MeV K.
10/11/2023
APPROVED
FALSE

G-DET-TRAK.2
6.10.03
Tracking functionality shall cover the backward, the barrel and the forward region.
10/11/2023
APPROVED
FALSE

F-DET-TRAK.2
6.10.03
The tracking system must provide high hermicity in exclusive and diffractive channels.
10/11/2023
APPROVED
FALSE

P-DET-TRAK-BAR.1
6.10.03
The barrel tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+0.5% in the rapidity region between -1 to 1.
11/01/2023
APPROVED
FALSE
P-DET-TRAK-BCK.1
6.10.03
The backward tracking system shall provide coverage in rapidity region between -3.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.2
6.10.03
The backward tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+1.0% in the rapidity region between -2.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.3
6.10.03
The backward tracking system shall provide a momentum resolution of σp/p ~ 0.10%?p+2.0% in the rapidity region between -3.5 to -2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.4
6.10.03
The backward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 20 μm in the rapidity region between -2.5 to -1.0.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-BCK.5
6.10.03
The backward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 40 μm in the rapidity region between -3.5 to -2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.1
6.10.03
The forward tracking system shall provide coverage in rapidity region between -1.0 to 3.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.2
6.10.03
The forward tracking system shall provide a momentum resolution of σp/p ~ 0.05%?p+1.0% in the rapidity region between 1.0 to 2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.3
6.10.03
The forward tracking system shall provide a momentum resolution of σp/p ~ 0.10%?p+2.0% in the rapidity region between 2.5 to 3.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.4
6.10.03
The forward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 20 μm in the rapidity region between 1.0 to 2.5.
10/11/2023
APPROVED
FALSE
P-DET-TRAK-FWD.5
6.10.03
The forward tracking system shall provide a spatial resolution of σxy ∼ 30/pT ⊕ 40 μm in the rapidity region between 2.5 to 3.5.
10/11/2023
APPROVED
FALSE

G-DET-TRAK.3
6.10.03
The tracking system shall provide a measurement of the vertex coordinates in the barrel region.
10/11/2023
APPROVED
FALSE

F-DET-TRAK.3
6.10.03
The tracking system must provide good impact parameter resolution for heavy flavor measurements.
10/11/2023
APPROVED
FALSE

P-DET-TRAK-BAR.3
6.10.03
The barrel tracking system shall provide a spatial resolution of σxy ∼ 20/pT ⊕ 5 μm in the rapidity region between -1 to 1.
10/11/2023
APPROVED
FALSE

DET-TRAK EXTERNALS
Requirements who's parents are in other sub-systems.

P-DET-TRAK.2
6.10.03
The tracking system shall provide cooling (air/liquid) for silicon sensors.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.3
6.10.03
The tracking system shall provide power supplies for bias and low voltages.
10/11/2023
APPROVED
FALSE
P-DET-TRAK.4
6.10.03
The tracking system shall provide a gas mixing system for gaseous detectors.
10/11/2023
APPROVED
FALSE

DET-TRAK-BAR : Barrel Tracking Systems (WBS 6.10.03)

DET-TRAK-BCK : Backward Tracking Systems (WBS 6.10.03)

DET-TRAK-FWD : Forward Tracking Systems (WBS 6.10.03)