Requirement Details
Electron Ion Collider
F-EIS-GUN.11
Requirement details, history, relationships and interfaces associated with requirement F-EIS-GUN.11
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 10/10/2024 14:48 | |||
| Identifier: | F-EIS-GUN.11 | WBS: | 6.03 |
| 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 [5.9]. |
| G-EIS.3 | The EIS shall provide an electron beam with the RMS bunch momentum spreads at extraction which meet the ESR beam requirements as set forth in [5.9]. |
| 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 2 bunches per injection cycle. |
| 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 [5.9]. |
| 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 [5.9]. |
| G-EIS.10 | The ESR bunch replacement pattern will be defined by 1.the required polarization pattern to be provided to the experiments, 2.decay rates and 3. The RF cogging limitations of the beam transfer between RCS and ESR. |
| Children | |
| P-EIS-GUN-ESOURCE.1 | The e-Gun system requires a minimum electrical service 300\208 Amps\Vac |
| P-EIS-GUN-ESOURCE.2 | The maximum power consumption required for the Gun systems should not exceed. 108 kVA |
| P-EIS-GUN-ESOURCE.3 | 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.4 | The gun vacuum shall be able to achieve and maintain <10-11 Torr |
| P-EIS-GUN-ESOURCE.5 | The bunch parameters from the cathode for 5&11GeV operation shall have a bunch charge of 7 nC |
| P-EIS-GUN-ESOURCE.6 | The bunch parameters from the cathode for 18GeV operation shall have a bunch charge of 5 nC |
| P-EIS-GUN-ESOURCE.7 | The bunch parameters from the cathode shall have a initial bunch length (FWHM) of 1.6 ns |
| P-EIS-GUN-ESOURCE.8 | The bunch parameters from the cathode shall have a bunch Diameter(hard edge) within the range of 6-10 mm |
| P-EIS-GUN-ESOURCE.9 | 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 Â 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.16 | The gun shall have an operational lifetime of >. 2 Wks |
| 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.18 | Minimum e-Beam polarization from gun shall be >85 % |
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