Difference between revisions of "XEM: Notable Events and Changes"

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=== October 6, 2022===
 
=== October 6, 2022===
 
* SHMS PRLO and PRHI thresholds increased to -45.4 and -50.9 mV to get rid of huge "no beam rate."
 
* 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 most of SHMS paddle study - affects runs starting with 17261
+
** These thresholds were used for most of SHMS paddle study - affects runs starting with 17261
 +
* Mark updated the trigger mapping for SHMS DAQ (see elog https://logbooks.jlab.org/entry/4051681)
 +
** Would only have impacted data taken with elclean trigger - we had not taken any to this point, so not an issue

Revision as of 06:08, 11 October 2022

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 most of SHMS paddle study - affects runs starting with 17261
  • Mark updated the trigger mapping for SHMS DAQ (see elog https://logbooks.jlab.org/entry/4051681)
    • Would only have impacted data taken with elclean trigger - we had not taken any to this point, so not an issue