Simulation Meeting September 8 2022 1130AM ET

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Agenda

1. TID Calculations for the GEM racks docDB973
2. TID calculations for the Thermistors in the DS Torus docDB979
3. Collimator 6 design - Chandan docDB974

Minutes

• TID Calculations for the GEM racks
  • DS barite wall is extended to cover the GEM racks
  • Compared placing the GEM racks before and after the wall (config 28 and 29)
  • Added Al shielding for GEM racks reduced the TID is less
• TID calculations for the Thermistors in the DS Torus
  • Using config 29
  • Dose numbers for potential Thermistors locations shown
• Collimator 6 design - Chandan docDB974
  • Effect of collimator 6 using symmetric maps
  • Compared with no col-6 A or B
  • Then added back col-A and B
  • The same study was done using realistic maps ( some asymmetry)
  • It seems like adding Col-6 B increases the background rate coming from the bore of Col-4
  • Col6-B needs to be tweaked, it could be that some mismatch with the engineering design, this issue was fixed and the study was done with correct Col6-B
  • The issue still exists, probably edge scattering in Col6-B

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