Requirement Details
Electron Ion Collider
P-HSR-MAG-D9.08
Requirement details, history, relationships and interfaces associated with requirement P-HSR-MAG-D9.08
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 02/19/2025 17:21 | |||
| Identifier: | P-HSR-MAG-D9.08 | WBS: | 6.05.02.01 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Approved | |
| Description: | All electrical connection to the magnet for the main current leads, instrumentation, Voltage taps, Current taps shall meet the appropriate interface requirements specified for those connections and meet the following constraints: | ||
| Comments: | |||
| Record Date: 02/18/2025 18:26 | |||
| Identifier: | P-HSR-MAG-D9.08 | WBS: | 6.05.02.01 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Not Applicable | |
| Description: | All electrical connection to the magnet for the main current leads, instrumentation, Voltage taps, Current taps shall meet the appropriate interface requirements specified for those connections and meet the following constraints: | ||
| Comments: | |||
| Record Date: 01/27/2025 16:43 | |||
| Identifier: | P-HSR-MAG-D9.08 | WBS: | 6.05.02.01 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | In Process | |
| Description: | All electrical connection to the magnet for the main current leads, instrumentation, Voltage taps, Current taps shall meet the appropriate interface requirements specified for those connections and meet the following constraints: | ||
| Comments: | |||
| Parents | |
| F-EIS-RCS-MAG-DIP.1 | The alignment of the dipole field with respect to the vertical axis shall be less +/- 1 mrad rms with 2 sigma cut-off. |
| F-EIS-RCS-MAG-DIP.2 | The good field region of the dipoles shall extend over a horizontal range of at least 3 centimeters in the radial direction, for all operational beam energies from 0.4 to 18Gev. |
| F-EIS-RCS-MAG-DIP.3 | There shall be only one family of dipoles in the RCS. |
| F-EIS-RCS-MAG.1 | The magnets shall meet the requirements defined by the physics lattice. |
| F-EIS-RCS-MAG.2 | Magnets should be aligned to with 0.2 mm RMS or better with a 2.5 sigma cutoff |
| F-EIS-RCS-MAG.3 | The aperture of all magnets shall be large enough to accommodate the beamline vacuum chamber. |
| F-EIS-RCS-MAG.4 | The EIC RCS lattice arc magnet structure shall contain an array of regular FODO cells to bend the beam and to control the beam optics. |
| F-EIS-RCS-MAG.5 | The EIC RCS lattice arc FODO cells shall consist of a horizontally focusing\defocusing quadrupole magnet followed by a correction dipole, then a followed by a sextupole correction magnet and a dipole bending magnet. With a drift space between these elements of > 0.3m long. |
| F-EIS-RCS-MAG.6 | There shall be sections at the ends of the ARCS and the straight sections to match the optics. |
| F-EIS-RCS-MAG.8 | The two straights in IP6 and IP8 shall have the same powering and layout scheme. |
| F-EIS-RCS-MAG.10 | The straight sections IR2,4,10 and 12 shall use FODO cells for optic control. |
| F-EIS-RCS.9 | The RCS lattice shall provide a maximum dynamic aperture of 5 sigma w.r.t Gaussian electron beam distribution in transverse dimensions. |
| F-EIS-RCS.10 | The RCS off-momentum aperture should reach 1.5% dp/p. |
| F-EIS.1 | The EIS polarized electron source shall create a spin polarized beam of electrons and inject them into the ESR. |
| F-EIS.2 | The injected spin polarized electron beam shall meet all the parameters set forth in [5.9] |
| F-EIS.3 | To create the spin polarized beam the EIS shall consist of 3 sections: 1. The Pre-Injector section, 2. The spin rotator & medium energy transfer line section. 3. The RCS & injection section |
| F-HSR-STR-MAG.1 | The magnets shall meet the requirements defined by lattice designs for all operational scenarios. |
| F-HSR-STR-MAG.2 | The magnets shall have the required field quality to meet the operational needs. |
| F-HSR-STR-MAG.3 | The HSR sections consisting of Blue Ring segments shall provide the same quench protection functionality as Yellow Ring segments (diode polarity). |
| F-HSR-STR-MAG.8 | The HSR existing magnets, beam components and instrumentation in IR2 shall be moved as required to realize the IR2 lattice design. |
| F-HSR-STR-MAG.9 | The HSR shall use existing superconducting magnets from RHIC in the new IR2 lattice, no new magnets are required for IR2. |
| F-HSR-STR.10 | The HSR alignment requirements are established by dynamic aperture and polarization tracking. The HSR RMS alignment tolerances shall be such that all the beam parameters listed in the MPT [Document: EIC-SEG-RSI-005] can be satisfied. |
| F-HSR-STR.1 | The HSR proton beam shall be ramped from injection energy to an operation energy of up to 275 GeV. |
| F-HSR-STR.2 | The HSR shall be designed for changing beam optics between the relaxed state for injection to collision beam optics with beam in the machine. |
| F-HSR-STR.3 | The HSR beam at full energy shall be synchronized to the revolution frequency of the electron beam. |
| F-HSR-STR.4 | The HSR systems shall provide the capability to operate with at least +/-21 mm radial shift of beam orbit in all arcs. |
| F-HSR-STR.8 | The HSR shall provide a dynamic aperture of > 6σ under colliding beam conditions. |
| F-HSR-STR.9 | The physical aperture for the circulating hadron beam shall be > 10σ horizontal and vertical. |
| F-HSR-STR.11 | The operational availability design target for the IR shall be consistent with the operational availability target for the overall EIC as set forth in Electron-Ion Collider Global Requirements. [Document:EIC-ORG-PLN-010] |
| F-IR-HSR-LATTICE.2 | The hadron beamline lattice elements through the IR shall have a large enough aperture throughout to accommodate a minimum of 10σ spread in x and y of the incoming hadron beam at all energies without obstruction for all energies set forth in [5.8]. |
| F-IR-HSR-LATTICE.14 | At the IP of the hadron lattice the dispersion, its derivative and alpha shall all be 0 ,and the beta βx βy shall be chosen to deliver the colliding beam parameters set forth in [5.8] |
| F-IR.2 | The IR shall guide the hadron and electron beams to collide at the IP of IR6. |
| F-IR.4 | The IR electron and hadron beam lines shall have the linear lattice functions matched to the incoming and outgoing arcs of the ESR and HSR respectively. |
| F-IR.8 | The IR shall be designed to ensure the hadron and electron beam collisions at the IP meet all the performance requirements set forth in [5.8]. |
| F-IR.9 | The IR shall be designed so that the electron and hadron beams have the same cross-sectional area and maximum overlap to achieve the high luminosities required in [5.8]. |
| F-IR.11 | The IR operational uptime shall match the operational uptime requirements of the EIC. |
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