Requirement Details
Electron Ion Collider
P-HSR-MAG-Q2.29
Requirement details, history, relationships and interfaces associated with requirement P-HSR-MAG-Q2.29
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Record Date: 09/25/2024 16:11 | |||
Identifier: | P-HSR-MAG-Q2.29 | WBS: | 6.05.02.01 |
Date Modified: | TBD: | FALSE | |
Status Date: | Status: | Reviewed | |
Description: | The magnet shall be design is TBD to have a splittable pole. | ||
Comments: |
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Parents | |
F-ESR-ARC.1 | The EIC ESR lattice arc magnet structure shall contain an array of regular FODO cells |
F-ESR-ARC.2 | The EIC ESR lattice arc magnet structure shall consists of a quadrupole, a sextupole, a bending section, and a dipole corrector in each arc half-cell. |
F-ESR-CONT.1 | The ESR control system shall facilitate all ESR global control requirements.  |
F-ESR-MAG.1 | The magnets shall meet the requirements defined by the physics lattice. |
F-ESR-MAG.2 | The magnets shall have the required field quality to meet the operational needs. |
F-ESR-MAG.12 | The quadrupoles in the straight sections IR10, IR12, IR2, and IR4 and in the transition from the arc to the straight section structure shall be wired to provide the optimized betatron phase advance across each straight section, as required for dynamic aperture optimization. |
F-ESR-STRAIGHT.3 | There shall be matching sections at the ends of each of the straight sections to compensate for the different FODO cell lengths wrt the arc FODO cells imposed by geometric constraints. |
F-ESR.1 | The ESR lattice shall provide a minimum dynamic aperture of 10 sigma w.r.t Gaussian electron beam distribution in all three dimensions, horizontal, vertical, and longitudinal. With the vertical emittance being half the horizontal design emittance. |
F-ESR.2 | The minimum dynamic aperture shall be achieved in two optics configurations (60 and 90 degrees betatron phase advance per FODO cell) at all operational beam energies as per [5.9], and with one and with two low-beta insertions. |
F-ESR.3 | The ESR shall support two low-beta insertions (colliding beam interaction regions) at IRs 6 and 8. |
F-ESR.4 | The ESR alignment requirements are established by dynamic aperture and polarization tracking. The ESR RMS alignment tolerances shall be such that all the beam parameter listed in [5.9] can be satisfied. |
F-ESR.5 | The ESR shall reach an availability consistent with the overall availability of the entire EIC as specified in [5.9]. |
F-HSR-MAG.1 | The magnets shall meet the requirements defined by the physics lattice.   |
F-HSR-MAG.2 | The magnets shall have the required field quality to meet the operational needs. |
F-HSR-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-MAG.4 | The maximum acceptable magnetic stray field at the beam pipe shall be TBD gauss. |
F-HSR-STR_IR02.2 | IR2 modifications shall affect the area between Q10 quadrupoles on the 1 and 2 o’clock side. |
F-HSR-STR_IR02.3 | Existing magnets, beam components and instrumentation in IR2 shall be moved as required to realize the IR2 lattice design. |
F-HSR-STR_IR02.4 | The existing superconducting magnets from RHIC shall be used in the new IR2 lattice, no new magnets are required for IR2. |
F-HSR-STR_IR04.2 | IR4 HSR modifications shall provide sufficient aperture for the injected and circulating beam. |
F-HSR-STR_IR04.3 | IR4 HSR modifications shall accommodate the crossing of ESR and HSR beamline. |
F-HSR.1 | The HSR proton beam shall be ramped from injection energy to an operation energy of up to 275 GeV. |
F-HSR.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.3 | The HSR beam at full energy shall be synchronized to the revolution frequency of the electron beam. |
F-HSR.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.8 | The HSR shall provide a dynamic aperture of > 6σ under colliding beam conditions. |
F-HSR.9 | The physical aperture for the circulating hadron beam shall be > 10σ horizontal and vertical. |
F-HSR.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 [6.9] can be satisfied. |
F-HSR.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, EIC-ORG-PLN-010]Â |
F-IR-ESR-LATTICE.3 | The IR electron lattice elements shall provide apertures in the near-IR quadrupoles large enough to transmit the synchrotron radiation created by magnets on the other side of the IP. |
F-IR-ESR-LATTICE.2 | The IR electron lattice design shall adjust the phase advance between the IP and the arc on each side to support the correction of chromatic effects. |
F-IR-ESR-LATTICE.14 | The IR electron lattice design shall create a multiple of 180deg horizontal phase advance between the two crab cavities. |
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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