Requirement Details
Electron Ion Collider
P-HSR-MAG-D9.10
Requirement details, history, relationships and interfaces associated with requirement P-HSR-MAG-D9.10
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Record Date: 10/10/2024 14:48 | |||
Identifier: | P-HSR-MAG-D9.10 | WBS: | 6.05.02.01 |
Date Modified: | TBD: | FALSE | |
Status Date: | Status: | Reviewed | |
Description: | The magnet good field aperture drx required shall be 16.7 m. | ||
Comments: |
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Parents | |
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.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.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-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-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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