Requirement Details
Electron Ion Collider
F-ESR-VAC.2
Requirement details, history, relationships and interfaces associated with requirement F-ESR-VAC.2
CURRENT RECORD- ARCHIVE RECORDS
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| Record Date: 09/25/2024 16:11 | |||
| Identifier: | F-ESR-VAC.2 | WBS: | 6.04 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | In Process | |
| Description: | The dynamic pressure around the ring shall be consistent with a beam gas lifetime of >10[hrs] with the design currents after an integrated beam current of 1000 [A.h]. | ||
| Comments: | |||
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| Parents | |
| G-ESR.2 | The ESR shall have a depolarization time long enough to ensure an average polarization of 70%, assuming an injected polarization level of 80% and a bunch replacement rate of two bunches per second. |
| G-ESR.3 | The ESR shall provide electron bunches having the bunch parameters specified in [10]Â |
| Children | |
| P-ESR-VAC.6 | The average vacuum level in the ESR Arc sections after conditioning (for 1000Ahrs) shall be <5x10-9 Torr |
| P-ESR-VAC.7 | There shall be no upper pressure limit as long as the average pressure is maintained. |
| P-ESR-VAC.8 | On 15 m on each side (or one vacuum sector) of the SRF cavities shall be processed to class ISO 5. |
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