Requirement Details
Electron Ion Collider
F-EIS.18
Requirement details, history, relationships and interfaces associated with requirement F-EIS.18
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 10/10/2024 14:48 | |||
| Identifier: | F-EIS.18 | WBS: | 6.03 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | In Process | |
| Description: | The EIS Pre-Injector shall be able to create a spin polarized electron bunch and accelerate it to 400MeV ready for transport to the 400 MeV-transfer line to the RCS. | ||
| 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 % |
| P-EIS-GUN-LASER.2 | The Laser system requires a minimum voltage for electrical service 208 Vac |
| P-EIS-GUN-LASER.3 | The Laser power consumption shall be < 40 kW |
| P-EIS-GUN-LASER.4 | The Laser shall be cooled by chillers which also use the laser system power |
| P-EIS-GUN-LASER.5 | The Laser cooling power shall not exceed 20 kW |
| P-EIS-GUN-LASER.6 | The Laser shall be able to function in a clean room having an ambient temperature of 18 +/- 2 CO |
| P-EIS-GUN-LASER.7 | The Laser shall have a repetition rate 0.623 MHz |
| P-EIS-GUN-LASER.8 | The Laser pulse shall have a temporal profile 1.5 to 2 nS |
| P-EIS-GUN-LASER.9 | The Laser shall operate at a wavelength of 780 +/-5 tunability range nm |
| P-EIS-GUN-LASER.10 | The Laser shall be capable of generating a bunches having at least a spacing between bunches of <1.6 ns |
| P-EIS-GUN-LASER.11 | The Laser Shall have the ability to flip and filter the laser pulses |
| P-EIS-GUN-LASER.12 | The laser pulse shall have a transverse truncated gaussian profile |
| P-EIS-GUN-LASER.13 | The Laser pulse jitter rms shall not exceed <5 ps |
| P-EIS-GUN-LASER.14 | The laser (power differential received at the cathode?) in the laser OFF and ON conditions shall be >60 dB |
This function not yet implemented.