Requirement Details
Electron Ion Collider
G-EIS.2
Requirement details, history, relationships and interfaces associated with requirement G-EIS.2
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 10/10/2024 14:48 | |||
| Identifier: | G-EIS.2 | WBS: | 6.03 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | In Process | |
| Description: | The EIS shall provide an electron beam having sufficient energy to meet the ESR beam requirements as set forth in [5.9]. | ||
| Comments: | |||
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| F-EIS-GUN-INST.1 | The Diagnostic beamline section shall be able to measure the electron polarization using a suitable polarimeter |
| F-EIS-GUN-INST.2 | The Pre-Injector separate diagnostic beam line section shall have 3 branches one with a Mott polarimeter & Faraday cup, one containing a connection to the cathode Laser and a line to a low energy beam dump. |
| F-EIS-GUN-INST.3 | The instrumentation in the diagnostic beam line shall have the capability to measure beam position, profile, bunch charge and beam halo. |
| F-EIS-GUN-INST.4 | To characterize and control the fresh bunches sent to the Mott polarimeter, the gun diagnostic beamline shall contain instrumentation to measure and control the profile, position, and charge of the beam. |
| F-EIS-GUN-INST.5 | The Diagnostic beamline section shall have one Beam Profile Monitor and Wien Filter and an electrostatic bender before the Mott polarimeter and Faraday Cup. |
| F-EIS-GUN-INST.6 | The Mott polarimeter shall be able to measure the polarization of the electron bunches from the gun. |
| F-EIS-GUN-INST.7 | The Faraday cup shall be able to measure the charge of the electron bunches from the gun. |
| F-EIS-GUN-INST.8 | There shall be instrumentation capable of measuring the surface of the cathode if required. |
| F-EIS-GUN-LASER.1 | The laser beam shall illuminate the cathode perpendicular to the cathode face |
| F-EIS-GUN-MAG.1 | Following the DC gun, the electron bunch shall be deflected through a bending dipole into the Bunching section |
| F-EIS-GUN-MAG.2 | 2 solenoids shall be placed between the gun and the bending dipole into the bunching section capable of correcting the beam position. |
| F-EIS-GUN-MAG.3 | Provision shall be made for an appropriate number of air cored steering coils between the Gun and bunching section to correct the electron beam position as required. |
| F-EIS-GUN-MAG.4 | A bending dipole shall follow the Gun and be able to bend the beam from the gun into the bunching section OR bend separate electron bunches into the separate diagnostic beam line. |
| F-EIS-GUN-MAG.5 | The bending dipole after the gun shall also have the capability to deflect the beam enough to allow a laser to illuminate the photocathode head on. |
| F-EIS-GUN-MAG.6 | A minimum of three solenoids shall be placed between the gun and the first bunching cavity to maintain the beam size for 5–10 nC bunches |
| F-EIS-GUN-MAG.7 | Short air core trim coils shall be used to correct beam position for energies greater than 100 keV |
| F-EIS-GUN-MAG.8 | The Diagnostic beamline solenoids shall be capable of maintaining the beam size in the diagnostic line up to either the Faraday cup or the Mott polarimeter |
| F-EIS-GUN-VAC.1 | Beam tube shall be 4 in. Nominal? OD? using 6 in. Conflat flanges |
| F-EIS-GUN-VAC.2 | Vacuum system shall be compatible with UHV requirements. |
| F-EIS-GUN-VAC.3 | The Laser section shall be independent from the Gun\diagnostic section vacuum. |
| F-EIS-GUN.2 | The pre-injector electron gun shall produce all the bunch patterns required to deliver the ESR beam requirements set forth in [5.9]. |
| F-EIS-GUN.6 | The pre-injector shall have a low energy transfer line from the gun into the beam compression "Bunching" section |
| F-EIS-GUN.7 | The low energy transfer line shall have an additional branch between the Gun and the Bunching section which can transfer individual electron bunches into the diagnostic beamline section. |
| F-EIS-GUN.8 | The low energy transfer line shall have a laser port between the Gun and the Bunching section which will allow an optical path for the laser to illuminate the cathode face of the gun. |
| F-EIS-GUN.9 | Following the gun, there shall be multiple groups of magnets required to control the electron beam. |
| F-EIS-GUN.10 | The gun shall have steering coils to direct the liberated electrons (These can be reused from the existing Gun system.) |
| F-EIS-GUN.11 | To characterize and control the fresh bunches the low energy transfer line from the Gun to the Buncher shall contain a plunging transverse profile monitor, a bunch charge monitor, beam loss monitors, and beam position monitors |
| F-EIS-HETL-ESR-INJ.1 | The transferred beam shall meet all the requirements of the circulating beam, for all operational modes of the ESR as set forth in [5.9]. |
| F-EIS-HETL-INST-BPM.1 | For instrumentation purposes the high energy TL from the RCS to the ESR shall contain a number of strategically placed Beam Position Monitors at the quadrupoles and at the entry and exit of a number of the dipoles as required. |
| F-EIS-HETL-INST-IC.1 | For instrumentation purposes the high energy TL from the RCS to the ESR shall contain FCT and an Integrating Current Transformer before the ESR injection septum. |
| F-EIS-HETL-INST-PM.1 | For instrumentation purposes the high energy TL from the RCS to the ESR shall contain a number of strategically placed YAG\OTR at the entry and exit of a number of the diploes and quadrupoles as required. |
| F-EIS-HETL-INST-POL.1 | For instrumentation purposes the high energy TL from the RCS to the ESR shall contain a system to measure the beam polarization. |
| F-EIS-HETL-MAG-BUMP.1 | ESR injection shall have three fast bump magnets to direct the bunches from the HETL into the ESR. |
| F-EIS-HETL-MAG-SEPT.1 | The fast bump magnets and Fast Kicker of the ESR injector system shall operate in unison with a septum magnet which can direct the beam into the ESR. |
| F-EIS-HETL-SLINE-FKICK.1 | The ESR injection system shall have a fast strip line kicker with a rise time of 2nsecs . |
| F-EIS-HETL.1 | The High Energy Transfer Line shall match the beam parameters between the extraction point of the RCS and injection point of the ESR. |
| F-EIS-HETL.2 | The extraction into the required High Energy transfer line shall match the ESR bunch spacing and spin pattern. |
| F-EIS-HETL.3 | The High Energy Transfer Line shall be spin transparent. |
| F-EIS-HETL.4 | The ESR extraction system shall have another three bump magnets, its own septum magnet and use the strip line injection kicker to extract and replace the circulating bunches. |
| F-EIS-LETL.1 | The RCS pre-injector low energy transfer line shall transfer the electron beam from the Gun to the bunching section. |
| F-EIS-LINAC-BNCHR-INST-BLM.1 | To characterize the beam as it exits the buncher section, there shall be a bunch length monitor(BLM) at the exit of the 3rd harmonic buncher cavity to measure bunch compression during commissioning.  |
| F-EIS-LINAC-BNCHR-INST-BPM.1 | To characterize the beam as it enters the buncher section, there shall be a beam position monitor (BPM) at the entry to the 1st harmonic buncher cavity to measure beam position. |
| F-EIS-LINAC-BNCHR-INST-BPM.2 | To control the beam and to measure bunch compression through the buncher section a beam position monitor (BPM) at the entry and exit of the 2nd harmonic buncher cavity to measure beam position. |
| F-EIS-LINAC-BNCHR-INST-BPM.3 | To characterize the beam as it exits the buncher section, beam position monitor(BPM) at the exit of the 3rd harmonic buncher cavity to measure beam position during commissioning.  |
| F-EIS-LINAC-BNCHR-INST-EM.1 | To characterize the beam as it exits the buncher section, there shall be an emittance monitor(EM), at the exit of the 3rd harmonic buncher cavity to measure beam position, the beam emittance during commissioning.  |
| F-EIS-LINAC-BNCHR-INST-ICT.1 | To control the beam and to measure bunch compression through the buncher section, there shall be an integrating current transformer (ICT), at the entry and exit of the 2nd harmonic buncher cavity to measure charge. |
| F-EIS-LINAC-BNCHR-INST-ICT.2 | To characterize the beam as it exits the buncher section, an integrating current transformer(ICT) at the exit of the 3rd harmonic buncher cavity to measure the bunch charge during commissioning.  |
| F-EIS-LINAC-BNCHR-INST-LM.1 | To characterize the beam as it enters the buncher section, there shall be a beam loss monitor (BLM) at the entry to the 1st harmonic buncher cavity to measure beam loss |
| F-EIS-LINAC-BNCHR-INST-TPM.1 | To characterize the beam as it enters the buncher section, there shall be a transverse profile monitor(TPM) at the entry to the 1st harmonic buncher cavity to measure the charge. |
| F-EIS-LINAC-BNCHR-INST-TPM.2 | To control the beam and to measure bunch compression through the buncher section there shall be a transverse profile monitor(TPM) at the entry and exit of the 2nd harmonic buncher cavity to measure the bunch profille. |
| F-EIS-LINAC-BNCHR-INST-TPM.3 | To characterize the beam as it exits the buncher section, transverse profile monitor(TPM) at the exit of the 3rd harmonic buncher cavity the bunch profile during commissioning.  |
| F-EIS-LINAC-BNCHR-MAG-SOL.4 | The solenoidal field shall extend to also contain the 1st RF tank of the S-band LINAC. |
| F-EIS-LINAC-BNCHR-RF.1 | All frequencies of the RF cavities shall be harmonics of 1.23156 [MHz] (1/80 beam repetition frequency in the RCS). |
| F-EIS-LINAC-BNCHR.1 | The bunching section shall generate sufficient compression to compress the bunch length to that required by [5.9]. |
| F-EIS-LINAC-BNCHR.2 | The bunchers rf voltage and phase will be synchronized so that the passing electron bunches meet the required beam characteristics at the end of the buncher section. |
| F-EIS-LINAC-BNCHR.3 | The Pre-Injector layout shall accommodate all RF cavities and allow enough  room for other Pre-Injector components. |
| F-EIS-LINAC-CAV.1 | The LINAC TWP cavities shall be constant gradient cavities |
| F-EIS-LINAC-DUMP-INST.1 | The beam dump line shall be capable of being instrumented with a YAG/OTR transverse profile monitor, Integrating Current Transformer, bunch length monitor for commissioning purposes. |
| F-EIS-LINAC-DUMP.1 | To characterize the beam at the exit of the S-band LINAC there shall be a beam dump line which will contain and a dump with Faraday cup capabilities. |
| F-EIS-LINAC-INST-BPM.1 | To control the beam as it travels through the LINAC section there shall be Beam Position Monitor(BPM) at the exit of all the accelerating cells as required. |
| F-EIS-LINAC-INST-CM.1 | Bunch charge(CM) measurements shall be performed at multiple locations through the LINAC. |
| F-EIS-LINAC-INST-PM.1 | To measure the beam profile in the LINAC section there shall be a plunging YAG/OTR transverse profile monitor between the 1st and 2nd accelerating cells. |
| F-EIS-LINAC-MAG-QUAD.1 | A Quadrupole triplet shall be installed between each accelerating structure in the LINAC to control the beam beta function and dispersion. |
| F-EIS-LINAC-MAG-QUAD.2 | The LINAC Quadrupole triplets shall be optimized to control beams with high RCS injection energies ~ 400[MeV] |
| F-EIS-LINAC-MAG-QUAD.3 | A drift space with quadrupole triplets shall be placed between each TWP structure to tune the bunch beta function through the LINAC. |
| F-EIS-LINAC-MAG-WF.1 | In addition to the Quadrupole triplets X Y steering coils shall be installed between each 2.856[GHz] accelerator structure to control the beam beta function and dispersion in the LINAC. |
| F-EIS-LINAC-MAG-WF.2 | A LINAC XY steering coils shall be optimized to control beams which have low RCS injection energies < < 400[MeV] |
| F-EIS-LINAC-MAG-WF.3 | Between each S-band LINAC section there shall be at least two window frame  steering magnets. |
| F-EIS-LINAC-MAG-WF.4 | Additionally, window frame steering magnets will be placed at the entry and exit of each accelerating structure to position the bunch. |
| F-EIS-LINAC-VAC.1 | The LINAC section shall contain enough strategically located Vacuum gate valves, to allow access to the vacuum volume as needed. |
| F-EIS-LINAC-ZIGZAG-MAG-CHIRP.1 | Following the Zigzag there shall be a de-chirp cavity to linearize and reduce the energy spread of the bunch. |
| F-EIS-LINAC-ZIGZAG-MAG-CHIRP.2 | At the end of the Zigzag there shall be a diagnostic section (details TBD) to measure the bunch length and dP/P. |
| F-EIS-LINAC-ZIGZAG-MAG-DIP.1 | The ZigZag section shall consist of a number of dipoles separated by drift spaces in a R56 configuration to increase the bunch length to 40ps. |
| F-EIS-LINAC-ZIGZAG-MAG-QUAD.1 | The ZigZag section shall consist of a number of Quadrapoles to control the beam dispersion through the zigzag. |
| F-EIS-LINAC-ZIGZAG.1 | A longitudinal matching section shall follow the S-band LINAC.  |
| F-EIS-LINAC-ZIGZAG.2 | The longitudinal matching section shall consist of a so-called Zigzag section followed by a de-chirp cavity which will stretch the bunch length to 40 ps, reduce the energy spread, and generate a longitudinal phase space rotation of the bunches. |
| F-EIS-LINAC-ZIGZAG.3 | At the Zigzag exit, the electron beam’s average spin orientation shall be longitudinal in the direction of beam travel. |
| F-EIS-LINAC.1 | The Pre-Injector S-band LINAC shall be able to accelerate all electron bunches up to the energy's required by [5.9]. |
| F-EIS-LINAC.2 | The Pre-Injector LINAC frequency shall be consistent with the needs defined in [5.9]. |
| F-EIS-LINAC.3 | The Pre-Injector LINAC rep-rate shall be consistent with the needs defined in [5.9]. |
| F-EIS-METL-INJ-MAG-FKICK.1 | The fast kicker magnet shall be capable of deflecting the electron beam from the RCS to counter the RF kick. |
| F-EIS-METL-INJ-MAG-FKICK.2 | The fast kicker magnet shall follow the rise and fall of the amplitude of the RF sinusoidal functions |
| F-EIS-METL-INJ-MAG-SEP.1 | The septum magnet shall be capable of deflecting the incoming electron beam into the RCS and shielding the circulating beam already in the RCS. |
| F-EIS-METL-INST-BPM.1 | To control the beam through the Spin Rotator section there shall be a Beam Position Monitors placed throughout the spin rotator as required. |
| F-EIS-METL-INST-PM.1 | To measure the bunch profile in the Spin Rotator section there shall be a number of strategically placed YAG/OTR transverse profile monitors at the entry and exit of a number of the quadrupoles. |
| F-EIS-METL-INST.1 | To measure and control the beam in the medium energy 400 MeV transfer line there shall be sufficient beam position monitors for orbit control, transverse profile monitors, and bunch charge monitors as required. |
| F-EIS-METL-MAG-DIP.1 | At the entry to the spin rotator section before the spin rotator solenoid there shall be a number of bending dipole to rotate the polarization spin from the Longitudinal direction into the transverse X direction. |
| F-EIS-METL-MAG-DIP.2 | After the exit of spin rotator solenoid, there shall be a number of bending dipoles to close the geometry and direct the beam into the medium energy 400[MeV] transfer line. |
| F-EIS-METL-MAG-QUAD.1 | The medium energy 400 MeV transfer line shall have several FODO Quadrupoles to control the beta function along the transfer line. |
| F-EIS-METL-MAG-QUAD.2 | The corrector Quadrupoles shall be able to suppress the βx and βy along the transfer line to levels consistent with those required ate the RCS injection kicker. |
| F-EIS-METL-MAG-SPINSOL.1 | At the entry to the spin rotator section before the spin rotator solenoid there shall be a number of   Quadrupoles to ensure the electron beam is achromatic and round before entry into the spin rotator solenoid. |
| F-EIS-METL-MAG-SPINSOL.2 | There shall be a number of corrector Quadrupoles at the exit of the Spin rotator section to control the beam optics ready for the 400[MeV] transport line. |
| F-EIS-METL-MAG-SPINSOL.3 | The spin rotator entry quadrupoles shall have enough gradient to reduce the bunch dispersion ηx=0, set the beta functions βx=βy and αx=αy=0, ensuring the beam is round uncoupled and uncorrelated as it enters the solenoid. |
| F-EIS-METL-MAG-SPINSOL.4 | The spin rotator entry quadrupole shall have at least 2 families this is needed to control the electron beam optics as required. |
| F-EIS-METL-MAG-SPINSOL.5 | The spin rotator quadrupoles after the Spin rotator solenoid shall be able to match the beam beta functions βx and βy to that required for entry into the 400MeV transfer line. |
| F-EIS-METL-MAG-SPINSOL.6 | The spin rotator exit quadrupoles shall have at least 2 families this is required to control the electron beam optics as needed. |
| F-EIS-METL-MAG-SPINSOL.7 | The spin rotator solenoid shall rotate the electron beam spin from the X axis to the vertical y-axis before it enters the medium [400MeV] transport line to the RCS. |
| F-EIS-METL-MAG-SPINSOL.8 | The spin rotator solenoid shall have an integrated gradient of 2.2 [T.m] required to rotate the spin from the horizontal axis to the vertical axis. |
| F-EIS-METL-RCS-INJ-MAG-BUMP.1 | The bump magnets shall have a rise and time consistent with the requirements of the circulating bunches. |
| F-EIS-METL-RCS-INJ-MAG-BUMP.2 | The Pulsed bump magnets shall be able to create a closed orbit path passing close to the Septum and maintain it during each injection cycle (100-150 Hz). |
| F-EIS-METL-RCS-INJ.1 | The medium energy transfer line shall terminate with an injection system capable of transferring the beam into the RCS for all the operating energies and conditions specified in [5.9]. |
| F-EIS-METL-RCS-INJ.2 | The injection system shall inject the beam at 12-o'clock straight-section of the RCS. |
| F-EIS-METL-RCS-INJ.3 | The vertically spin polarized electron bunch patterns generated by the pre-injector shall be transferred into the RCS unaltered. |
| F-EIS-METL-RCS-INJ.4 | The injection system shall be able to inject bunche per injection kick using RF and magnetic kickers to build up a total of 4 bunches from four kicks to the RF and Kickers. |
| F-EIS-METL-RCS-INJ.5 | The injection system shall ensure the bunch emittance shall match the requirements of the RCS RF system and such, to avoid collective instabilities and to stay within the off-momentum aperture. |
| F-EIS-METL-RCS-INJ.6 | Each train of four bunches shall be injected into neighboring RF buckets to facilitate bunch merges. |
| F-EIS-METL-RCS-INJ.7 | The injection system shall be capable of maintaining the small spacing required by the injected bunches. |
| F-EIS-METL-RCS-INJ.8 | The injection system shall contain 3 bump magnets to locally bump the RCS circulating beam close to the Injection septum. |
| F-EIS-METL-RCS-INJ.9 | The injection system shall contain an RF kicker and a pulsed magnet followed by a septum magnet to redirect the beam into the RCS closed orbit. |
| F-EIS-METL-RCS-INJ.10 | The magnetic field of the injection system pulsed magnet shall follow the rise time of the power amplifiers which drive the RF kickers. |
| F-EIS-METL-RCS-INJ.11 | The injection system into the RCS shall be capable of injecting successive bunches into the RCS to create a bunch train with four bunches each circulating in the RCS ready to be merged. |
| F-EIS-METL-RCS-INJ.12 | The RCS shall be capable of merging each train of 4 bunches into a larger single bunch to create larger single circulating bunche in the RCS. |
| F-EIS-METL-RF-FKICK.1 | There shall be a special RF kicker to kick the injected beam into neighboring RF buckets without disturbing the 8 circulating bunches. |
| F-EIS-METL-RF-FKICK.2 | The special kicker shall consist of an RF harmonic kicker with fundamental frequency of 1/4 of the main RCS RF cavity. |
| F-EIS-METL-RF-FKICK.3 | The special kicker shall have a rise and fall time that matches the RF bucket size. |
| F-EIS-METL-RF-FKICK.4 | The special kicker shall have a peak power necessary to generate a kick to inject the bunch into the RCS. |
| F-EIS-METL-RF-FKICK.5 | The special kicker shall have a macro pulse with a flattop that is greater than the time between the two LINAC bunches and shall have a rise and fall time less than 1 RCS turn. |
| F-EIS-METL-RF-FKICK.6 | The special kicker shall be able to repeat at the LINAC pulse rate. |
| F-EIS-METL.1 | The Medium energy transfer line shall transfer the beam from the pre-injector longitudinal matching section to the RCS. |
| F-EIS-METL.2 | The Medium energy transfer line shall contain 3 sections: 1. Spin rotation section, 2. The main transfer line, 3. The Injector system. |
| F-EIS-METL.3 | There will be number of corrector Quadrupoles after the Pre-Injector longitudinal matching and before the spin rotator to provide beam matching into the Spin Rotator. |
| F-EIS-METL.4 | The medium energy 400 MeV transfer line shall be able to transport the spin reoriented beam from the spin rotator to the RCS injection system. |
| F-EIS-METL.5 | The medium energy 400 MeV transfer line will maintain the spin direction of the beam along the entire transfer line. |
| F-EIS-METL.6 | The spin rotator shall ensure the spin direction of the electron bunches are rotated from the longitudinal Z axis to the vertical Y axis. |
| F-EIS-RCS-INST-BBA.1 | The RCS shall contain a beam-based alignment system. |
| F-EIS-RCS-INST-BC.1 | The instrumentation system shall include a system to measure individual bunch charges and bunch pattern. |
| F-EIS-RCS-INST-BCM.1 | The instrumentation system shall include a beam current monitor to measure average beam current. |
| F-EIS-RCS-INST-BLM.1 | The RCS shall contain a beam loss monitor system at select regions. |
| F-EIS-RCS-INST-BP.1 | The instrumentation system shall include a system to measure transverse bunch profiles. |
| F-EIS-RCS-INST-BP.2 | The instrumentation system shall include a system to measure longitudinal bunch profiles. |
| F-EIS-RCS-INST-BP.3 | The longitudinal bunch profile monitor needs turn-by-turn capability based on a single bunch in the fully filled bunch train to allow timing and energy adjustment for injection optimization. |
| F-EIS-RCS-INST-BPM.1 | The instrumentation system shall contain a Beam Position Monitor system consisting of dual-plane Beam Position Monitors adjacent to each quadrupole. |
| F-EIS-RCS-INST-BPM.2 | Select Beam Position Monitors in the injection region shall have turn-by-turn orbit measurement capability based on a single, remotely selectable bunch out of the fully filled bunch train to enable injection optimization. |
| F-EIS-RCS-INST-TUNE.1 | The instrumentation system shall contain a betatron and synchrotron tune monitors. |
| F-EIS-RCS-MAG-CORR.1 | There shall be dipole correctors capable of adjusting the beam orbit. |
| F-EIS-RCS-MAG-CORR.2 | Window-frame dipole corrector magnets, capable of providing both horizontal and vertical dipole fields to correct the beam orbit in both transverse planes. Dual plane correctors shall be placed adjacent to all focusing quadrupoles and single plane vertical correctors at each defocusing quadrupole |
| F-EIS-RCS-MAG-CORR.3 | The strength of the Window-frame dipole correctors needs to be chosen to correct for any source of orbit distortion and should have a margin for beam based diagnostic purposes. |
| F-EIS-RCS-MAG-PS.1 | The RCS magnets shall be fed by a system of power supplies matched in voltage and maximum current to the specifications and requirements of the respective magnets |
| F-EIS-RCS-MAG-QUAD.1 | The ARC quadrupoles shall generally be arranged in a conventional FODO structure. |
| F-EIS-RCS-MAG-QUAD.2 | Each quadrupole strength needs to be capable of being changed independently by small amounts for beam-based alignment purposes. |
| F-EIS-RCS-MAG-QUAD.3 | The main arc quadrupoles shall be powered by a total of 2 power circuits one for focusing the other defocusing. |
| F-EIS-RCS-MAG-QUAD.4 | The quadrupoles in the straight sections IR10, IR12, IR2, and IR4 (non-colliding IRs) shall have the required number to independent ps to control all quads in these straights and have the required number of independent ps to control quads in IP6 and IP8 straights. |
| F-EIS-RCS-MAG-QUAD.5 | The quadrupoles shall be individually powered with low supplementary current/voltage power supplies for beam-based alignment purposes. |
| F-EIS-RCS-MAG-SEXT.1 | The maximum integrated field strength of the FODO sextupoles needs to be sufficient to provide chromatic correction at 18 GeV. |
| F-EIS-RCS-MAG-SEXT.2 | Sextupoles shall be sorted into “familiesâ€, with the family structure dependent on the linear lattice configuration (betatron phase advance per FODO cell). |
| F-EIS-RCS-MAG-SEXT.3 | Sextupoles shall be powered based on their “familiesâ€, with the family structure dependent on the linear lattice configuration for arcs and straight sections. |
| F-EIS-RCS-MAG.7 | The RCS straight sections shall have the appropirate number of defocusing and focusing quadrupole families per straight section. |
| F-EIS-RCS-MAG.9 | The non-colliding straights will have different scheme. |
| F-EIS-RCS-PPD-BUMP.1 | the RCS extraction system shall have three fast bump magnets to direct the bunches to the HETL. |
| F-EIS-RCS-PPD-FKICK.1 | RCS extraction shall be facilitated with a fast kicker having a rise time of 2 micro-secs |
| F-EIS-RCS-PPD-SEPT.1 | The fast bump magnets and Fast Kicker shall operate in unison with a septum magnet which can direct the beam into the HETL. |
| F-EIS-RCS-PPD.1 | The beam injection of the electron bunches from the RCS into the ESR ring shall take place in the 12 o’clock straight section. |
| F-EIS-RCS-PPD.2 | There will be two electron bunches circulating in the RCS at extraction, these shall be injected into the High Energy Transfer Line which connects the RCS to the ESR. |
| F-EIS-RCS-RF.1 | The RF system shall Provide a maximum RF voltage of 60MV to accelerate the beam. |
| F-EIS-RCS-RF.2 | The total RF power provided by the RF amplifiers shall be able to compensate for all additional losses created by the stored electron beam in addition to the acceleration and synchrotron losses. |
| F-EIS-RCS-RF.3 | The RF system shall Provide sufficient gradient to allow installation of all necessary RF modules in the limited space in IR 10. |
| F-EIS-RCS-RF.4 | The RF system shall be able to accommodate 4 circulating bunches in one trains of 4 bunches. |
| F-EIS-RCS-RF.5 | The RF system shall be able to merge the one train of 4 bunches into two larger separate circulating bunches then merge these two large bunches into a single larger circulating bunch. |
| F-EIS-RCS-RF.6 | The RF system shall be able to accelerate final large, merged bunch to the operating energies needed by the ESR as set forth in [5.9]. |
| F-EIS-RCS-RF.7 | The RF system controls shall be designed to handle the transient beam loading for all bunch structures. |
| F-EIS-RCS-VAC.1 | The vacuum chamber shall provide sufficient horizontal and vertical aperture to accommodate a beam which is 5 σ larger than the largest sigma beam size determined by the injected RMS emittance. |
| F-EIS-RCS-VAC.2 | The average dynamic pressure around the ring shall be < 5e-8[Torr] after 1 year of operation. |
| F-EIS-RCS-VAC.3 | The impedance of the entire RCS vacuum system shall allow for the bunch intensities, beam currents, and bunch numbers contained in [5.9]. |
| F-EIS-RCS-VAC.4 | The vacuum chamber and all its components shall be designed to withstand the total synchrotron radiation loads seen in operation. |
| F-EIS-RCS.1 | The RCS shall consist of two parts 1. The main RCS Ring, and 2. The High energy transfer line terminating with the ESR injection system |
| F-EIS-RCS.2 | The RCS shall be capable of accepting the bunches and matching the bunch parameters as injected by the Medium Energy Transport line. |
| F-EIS-RCS.3 | After bunch injection into the RCS, the RCS shall merge the injected bunches into two bunches. |
| F-EIS-RCS.4 | After bunch merging the RCS shall be able to accelerate the final two bunches to the final desired energy set forth in [5.9]. |
| F-EIS-RCS.5 | After the bunches are merged the RCS needs to accelerate to the top possible energy in a time interval consistent with the parameters set forth in [5.9] (18 GeV) in 100 msecs. |
| F-EIS-RCS.6 | The HETL shall be capable of kicking the accelerated bunches into the High energy Transport line to the ESR. |
| F-EIS-RCS.7 | RCS will need to increase the vertical emittance to match the ESR vertical emittance. |
| F-EIS-RCS.8 | The RCS lattice shall have a lattice geometry which can fit into the RHIC tunnel and avoid the EIC's other beamlines and obstructions, yet maintain polarization transmission and beam stability. |
| F-EIS-RCS.15 | The RCS Lattice shall contain provisions for correctors such as skew quadrupoles, Dipole correctors etc. as needed. |
| F-EIS.4 | The EIS vacuum system shall meet UHV standards at a minimum (Ref vacuum spec?) |
| F-EIS.5 | The impedance of the entire EIS vacuum system, including the transport lines, shall allow for the bunch intensities, beam currents, and bunch numbers contained in [5.9]. |
| F-EIS.6 | The size, location and type of vacuum pumps shall be chosen to meet the required vacuum levels during operation |
| F-EIS.7 | Appropriate vacuum gauging shall be supplied in each vacuum sector to monitor the required vacuum levels |
| F-EIS.8 | EIS shall have all the beam instrumentation necessary to deliver the operational parameters set forth in [5.9]. |
| F-EIS.17 | The EIS Pre-Injector shall consist of 3 sub-systems: 1. An electron gun section, followed by 2. A low energy transfer line and bunching section, followed by 3. A LINAC section |
| F-EIS.19 | The EIS Pre-Injector shall create bunches which meet the requirements set forth in [5.9]. |
This function not yet implemented.