XEM: Notable Events and Changes

October 10, 2022

• SHMS 2Y- scalers restored during the middle of SHMS run 17336 - those scalers were missing for all runs before this

October 9, 2022

• SHMS PID thresholds set - just before SHMS run 17318:
  • NGC: -12.7 mV
  • PRLO: -35.4 mV
  • PRHI: -44.2 mV

October 6, 2022

• SHMS PRLO and PRHI thresholds increased to -45.4 and -50.9 mV to get rid of huge "no beam rate."
• These thresholds were used for m,ost of SHMS paddle study - affects runs starting with 17261