Requirement Details
Electron Ion Collider
F-EIS-GUN.1
Requirement details, history, relationships and interfaces associated with requirement F-EIS-GUN.1
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Record Date: 10/10/2024 14:48 | |||
Identifier: | F-EIS-GUN.1 | WBS: | 6.03 |
Date Modified: | TBD: | FALSE | |
Status Date: | Status: | In Process | |
Description: | The pre-injector shall have a high voltage (HV) DC electron gun as the electron source for the EIC. | ||
Comments: |
No archive versions
Parents | |
G-EIS.1 | The EIS shall provide an electron beam having sufficient polarization as required by the ESR to meet the operational modes set forth in [5.9]. |
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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