Revision as of 09:17, 12 November 2021

Friday November 12

1. Last 24h:
   • recorded 2.2B triggers on diamond
   • improved convergence: before and after
   • ... but the transmission went down by ~15% [1]
2. Issues:
   • bad f250 in TAGH [2]
3. Plan:
   • Continue production at 150nA on diamond w/o AMO (next AMO run Nov 14)
   • Expect 1+ hours down when Hall A changes to 4 passes - not clear when

Thursday November 11

1. Last 24h:
   • Down till 3:30pm:
     • 10 FCAL bases replaced [3]
     • CDC/FDC? gas mix alarm [4]
   • Harp scan [5]
   • Recorded 800M+ events with diamond/amo (LHe4 target)
   • lock on AC disabled this morning [6]
2. Issues:
   • bad f250 in TAGH [7]
3. Plan:
   • Continue production at 150nA on diamond w/o AMO (next AMO run Nov 14)
   • nudge the coherent peak every time when changing 0/90 to 45/125 and PERP to PARA
   • Expect 1+ hours down when Hall A changes to 4 passes - not clear when