Requirement Details
Electron Ion Collider

G-HSR.18
Requirement details, history, relationships and interfaces associated with requirement G-HSR.18
CURRENT RECORD
ARCHIVE RECORDS
RELATIONSHIPS
INTERFACES
| Record Date: 05/16/2025 17:04 | |||
| Identifier: | G-HSR.18 | WBS: | 6.05 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Approved | |
| Description: | The HSR shall utilize an Injection system to provide the ability for single bunch transport and Injection at IR4. | ||
| Comments: | |||
| Record Date: 05/15/2025 20:34 | |||
| Identifier: | G-HSR.18 | WBS: | |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | ||
| Description: | The HSR shall utilize an Injection system to provide the ability for single bunch transport and Injection at IR4. | ||
| Comments: | |||
| Record Date: 01/27/2025 16:43 | |||
| Identifier: | G-HSR.18 | WBS: | 6.05 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Approved | |
| Description: | The HSR shall utilize an Injection system to provide the ability for single bunch transport and Injection at IR4. | ||
| Comments: | |||
| Parents | |
| No parents. | |
| Children | |
| F-HSR-INJ-MAG.01 | Any reused existing RHIC-ATR transfer line magnets shall meet the requirements of the new approved HSR Injection line lattice. |
| F-HSR-INJ-MAG.02 | New magnets shall only be used where any available existing magnets do not meet the requirements of the new approved HSR Injection line lattice. |
| F-HSR-INJ-PP.01 | The HSR injection kickers shall provide a half aperture greater than 10σ for the stored beam at Collison energies. |
| F-HSR-INJ-PP.02 | The HSR injection kickers shall provide a half aperture greater than 7σ for the stored beam at injection energies. |
| F-HSR-INJ-PP.03 | The HSR injection kickers shall provide a half aperture greater than 6σ for the injected beam. |
| F-HSR-INJ-PP.04 | The HSR injection kicker system shall be able to deflect the injected beam to be on axis |
| F-HSR-INJ-PP.05 | The HSR injection kicker system shall be installed in the straight section of the IR4 area. |
| F-HSR-INJ-PP.06 | The HSR injection kicker system shall be capable of single-bunch on-axis injection to fill the ring with 290 bunches. |
| F-HSR-INJ-PP.07 | The HSR injection kicker system rise time shall be short enough so that it does not step on the previous bunch. |
| F-HSR-INJ-PP.08 | The present RHIC injection kicker system including the Lambertson magnet and current injection kicker magnets at the 5 o’clock area shall be removed. |
| F-HSR-INJ-PS.01 | The HSR Injection System 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-HSR-INJ-VAC.01 | The vacuum level in the HSR transport line shall be kept at the same level as in the current RHIC-ATR line. |
| F-HSR-INJ-VAC.02 | A ~20m section of the warm injection beamline near the HSR including the injection septum shall have a vacuum pressure of ~1E-10 torr or better, after baking . |
| F-HSR-INJ.01 | The HSR injection system shall utilize the existing RHIC injector chain upstream of the RHIC-ATR D26 Dipole magnet with no modifications. |
| F-HSR-INJ.02 | The HSR injection system, consisting of the transport beamline, septum magnet and injection kickers, shall be capable of transporting a maximum beam rigidity of 81.12Tm from the transport line to IR4 central area and injecting it into the HSR. |
| F-HSR-INJ.03 | The HSR Injection System design shall use a warm transport line in arc 6-4 as continuation of the Injection line to transport the hadron beam to the injection system located in IR4. |
| F-HSR-INJ.04 | The HSR injection transport beamline shall be able to transport polarized beam with less than 5% polarization loss. |
| F-HSR-INJ.05 | The HSR injection system shall be able to inject all beam species with less than 5% beam emittance increase. |
| F-HSR-INJ.06 | The HSR injection system shall be able to fill the HSR with 290 consecutive bunches without interruption. |
| F-HSR-INJ.07 | The HSR injection system shall be able to fill the HSR with one(1) bunch per AGS cycle for polarized proton, two(2) bunches per AGS cycle for ion beams. |
| F-HSR-INJ.09 | The operational availability design target for the HSR Injection System shall be consistent with the operational availability target for the overall EIC as set forth in Electron-Ion Collider Global Requirements. Refer to [EIC-ORG-PLN-010]. |
| F-HSR-INJ.08 | The HSR injection system transfer line shall provide the following physical aperture: |
| F-HSR-INJ.10 | The HSR Injection system transport line shall be modified to add septum magnets in the Q3-Q4 warm straight section of the HSR on 4 o’clock side of the IR4 for hadron beam transfer into the HSR beam pipe. |
This function not yet implemented.