Requirement Details
Electron Ion Collider
F-EIS.17
Requirement details, history, relationships and interfaces associated with requirement F-EIS.17
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Record Date: 12/06/2024 11:10 | |||
Identifier: | F-EIS.17 | WBS: | 6.03 |
Date Modified: | TBD: | FALSE | |
Status Date: | Status: | In Process | |
Description: | The EIS Pre-Injector shall consist of 3 sub-systems: 1. An electron gun section, followed by 2. A low energy transfer line and bunching section, followed by 3. A LINAC section | ||
Comments: |
No archive versions
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.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. |
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.14 | The EIS shall be designed to meet all its requirements whilst fitting into the existing RHIS complex and accommodate all other required EIC systems along with their installation and maintenance needs. |
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 |
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