Requirement Details
Electron Ion Collider
F-EIS-PREINJ-LET.7
Requirement details, history, relationships and interfaces associated with requirement F-EIS-PREINJ-LET.7
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 03/13/2025 17:22 | |||
| Identifier: | F-EIS-PREINJ-LET.7 | WBS: | 6.03.04 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | In Process | |
| Description: | To characterize and control the fresh bunches the low energy transfer line from the Gun to the Buncher shall contain a plunging transverse profile monitor, a bunch charge monitor, beam loss monitors, and beam position monitors | ||
| Comments: | |||
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| 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-ESOURCE.01 | The e-Gun system requires a minimum electrical service 300\208 Amps\Vac |
| P-EIS-GUN-ESOURCE.02 | The maximum power consumption required for the Gun systems should not exceed. 108 kVA |
| P-EIS-GUN-ESOURCE.03 | The gun system shall be designed to operate in a Class 100 (ISO 5) clean room with its temperature maintained at 18 +/- 2 °C |
| P-EIS-GUN-ESOURCE.04 | The gun vacuum shall be able to achieve and maintain <10-11 Torr |
| P-EIS-GUN-ESOURCE.05 | The bunch parameters from the cathode for 5&11GeV operation shall have a bunch charge of 7 nC |
| P-EIS-GUN-ESOURCE.06 | The bunch parameters from the cathode for 18GeV operation shall have a bunch charge of 5 nC |
| P-EIS-GUN-ESOURCE.07 | The bunch parameters from the cathode shall have a initial bunch length (FWHM) of 1.6 ns |
| P-EIS-GUN-ESOURCE.08 | The bunch parameters from the cathode shall have a bunch Diameter(hard edge) within the range of 6-10 mm |
| P-EIS-GUN-ESOURCE.09 | The bunch parameters from the cathode shall have a Longitudinal profile distribution which is flat |
| P-EIS-GUN-ESOURCE.10 | The bunch parameters from the cathode shall have a Transverse Gaussian distribution with a σ of 6 to 10 mm |
| P-EIS-GUN-ESOURCE.11 | The bunch parameters from the cathode shall have a Gun voltage in the range of 290 to 350 keV |
| P-EIS-GUN-ESOURCE.12 | The gun shall be capable of generating four bunches with each bunch separated by at least 12.8295593046379 µs |
| P-EIS-GUN-ESOURCE.13 | The gun shall be capable of reproducing the entire 4 bunch pairs with a repetition rate of 1 Hz |
| P-EIS-GUN-ESOURCE.14 | For 7[nC] bunches the average current from the gun shall be 56 nA |
| P-EIS-GUN-ESOURCE.15 | For 5[nC] bunches the average current from the gun shall be 40 nA |
| P-EIS-GUN-ESOURCE.17 | The electron gun design for pre-injector shall permit the exchange of the cathode in Approx 2 hrs |
| P-EIS-GUN-ESOURCE.16 | The gun shall have an operational lifetime of >. 2 Wks |
| P-EIS-GUN-ESOURCE.18 | Minimum e-Beam polarization from gun shall be >85 % |
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