Requirement Details
Electron Ion Collider
G-EIS.1
Requirement details, history, relationships and interfaces associated with requirement G-EIS.1
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| Record Date: 01/27/2025 16:43 | |||
| Identifier: | G-EIS.1 | WBS: | 6.03 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Approved | |
| Description: | The EIS shall provide an electron beam having sufficient polarization as required by the ESR to meet the operational modes set forth in the Master Parameter Table (MPT). [Document#:EIC-SEG-RSI-005] | ||
| Comments: | |||
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| F-EIS-PREINJ.2 | 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. |
| F-EIS- PREINJ-BUNCH-MAG-HELM.1 | The beam path between the gun and 1.3 GHz cavity shall be surrounded by magnetic field canceling Helmholtz coil to trim out the earth’s magnetic field. |
| F-EIS-GUN.1x | A compact Mott Polarimeter shall be used to inspect the polarization level and Quantum efficiency of the super lattice GaAs cathode, this system is not part of the gun chamber. |
| F-EIS-LINAC-BNCHR-MAG-CORR.1 | Multiple air-core Steering coils shall be placed in the bunching to correct the bunch position if needed (Number and positions TBD) |
| F-EIS-PREINJ-GUN.1 | The pre-injector shall have a high voltage (HV) DC electron gun as the electron source for the EIC. |
| F-EIS-PREINJ-GUN.3 | When illuminated with a circular polarized laser the pre-injector electron gun shall produce the polarized electrons required to operate the EIC. |
| F-EIS-PREINJ-GUN.4 | The planned building utility requirements (Power, Temperature, Humidity, etc.) shall be consistent with the requirements necessary for the gun to meet its beam performance requirements |
| F-EIS-RCS.14 | The RCS shall transmit polarization with a 97% efficiency |
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