Requirement Details
Electron Ion Collider
F-EIS-GUN-INST.6
Requirement details, history, relationships and interfaces associated with requirement F-EIS-GUN-INST.6
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 03/17/2025 17:06 | |||
| Identifier: | F-EIS-GUN-INST.6 | WBS: | 6.03.04 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Not Applicable | |
| Description: | The Mott polarimeter shall be able to measure the polarization of the electron bunches from the gun. | ||
| Comments: | |||
| Record Date: 01/27/2025 16:43 | |||
| Identifier: | F-EIS-GUN-INST.6 | WBS: | 6.03.04 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | On Hold | |
| Description: | The Mott polarimeter shall be able to measure the polarization of the electron bunches from the gun. | ||
| Comments: | |||
| Parents | |
| G-EIS.2 | The EIS shall provide an electron beam having sufficient energy to meet the ESR beam requirements as set forth in the MPT. [Document#:EIC-SEG-RSI-005] |
| G-EIS.3 | The EIS shall provide an electron beam with the RMS bunch momentum spread at extraction which meet the ESR beam requirements as set forth in the MPT. [Document#:EIC-SEG-RSI-005] |
| G-EIS.4 | The EIS pre-injector shall provide an electron beam to the ESR having a horizontal beam emittance which is compatible with operation of the ESR. |
| G-EIS.5 | The EIS pre-injector shall provide an electron beam to the ESR having a vertical beam emittance which is compatible with operation of the ESR. |
| G-EIS.6 | The EIS shall inject into the ESR at a rate of 1[Hz]. |
| G-EIS.7 | The EIS shall inject one bunch into the ESR whilst being able to provide 1 bunch per injection cycle. |
| G-EIS.8 | The EIS shall provide an electron beam to the ESR having RMS Bunch lengths at extraction to meet beam requirements as set forth in the MPT. [Document#:EIC-SEG-RSI-005] |
| G-EIS.9 | The EIS shall provide an electron beam to the ESR having the bunch charge at extraction to meet the beam requirements as set forth in the MPT. [Document#:EIC-SEG-RSI-005] |
| G-EIS.10 | The EIS bunch replacement process shall deliver polarized replacement bunches capable of creating all the ESR polarization patterns needed to meet the physics goals. |
| Children | |
| P-EIS-GUN-INST-MOT.01 | The E-gun charge measurement shall use a Mott polarimeter measurement technique. |
| P-EIS-GUN-INST-MOT.02 | The Mott polarimeter shall provide polarization measurements of 280-350 keV electron bunches with an accuracy >=2 % |
| P-EIS-GUN-INST-MOT.03 | Right and left backscatter acquisition chains shall be incorporated in the design (e-detector, pre-amp, amp, and MCA) |
| P-EIS-GUN-INST-MOT.04 | The Mott polarimeter shall be able to measure the polarization of the electron bunches from the gun. |
| P-EIS-GUN-INST-MOT.05 | The Mott polarimeter shall read beam polarization over a repolarization range of 25 to 90 % |
| P-EIS-GUN-INST-MOT.06 | Over the measurement range the Mott polarimeter shall be accurate to within a resolution of 2 % |
| P-EIS-GUN-INST-MOT.07 | The Mott polarimeter system and electronics shall utilize ~11 kW, from one 208 Vac 3 phase @ 30 amps/phase circuit (It depends on Mott polarimeter design) |
| P-EIS-GUN-INST-MOT.09 | The 280-350 keV Mott polarimeter shall have a bunch charge measurement range of 0.1 to 14 nC |
| P-EIS-GUN-INST-MOT.08 | The Mott polarimeter shall function @ 18[C] (nom.) within a temperature stability +/- 2[C]supplied by the gun clean room |
| P-EIS-GUN-INST-MOT.10 | Th polarimeter shall measure the bunch emittance by slit and beam viewer placed before the 143 deg bending dipole? |
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