AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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Message ID: 506     Entry time: Sun Feb 11 07:03:34 2024
Author: TD 
Subject: Sunday 11 February 
02.02 DAQ continues G22-86/R15_21
      alpha background

      DSSSD leakage current = attachment 1
       DSSSD #2 transient c. few hundred nA continue

      FEE64 temperatures OK - attachment 2

      ADC data item stats - attachment 3
       rates dominated by 'hot' channels aida01 ( 70k ) and aida15 ( 11k ) - all other FEE64s c. 0Hz

      per FEE64 Rate and Stat spectra - attachments 4-5

02.07 All stats zero'd 


05.52 DAQ continues G22-86/R15_28
      alpha background

      FEE64 temperatures OK - attachment 6

      ADC data item stats - attachment 7
       rates dominated by 'hot' channels aida01 ( 72k ), aida15 ( 11k ), aida12 ( 3k ) and aida05 ( 600 )
       all other FEE64s c. 0Hz

      per FEE64 Stat spectra - attachment 8
       aida12 asic #2 HEC channels high rate

      Merger and TapeServer - attachments 9-10

      DSSSD leakage current = attachment 11
       DSSSD #2 transient c. few hundred nA continue

      online per DSSSD 2D x-y spectra - attachnent 12

05.56 All histograms & stats zero'd
      2x Check ASIC load

      ADC data item stats - attachment 7
       rates dominated by 'hot' channels aida01 ( 72k ), aida15 ( 11k )
       all other FEE64s c. 0Hz

10:28 DAQ continues G22-88/R15

      FEE temperatures OK

      ADC data items stats dominated by aida01 (86k) and aida15 (9k) rest of stats approx OHz. 
      Rates dominated by 2 hot channels per FEE 
      Leakage current plot (attachment 15)
      System wide checks OK
      Merger OK (500,000 items per sec), Tape server OK (710 kb/sec being written)
      DSSD XY plot (attachment 16) - some noise coming through in certain strips on DSSD 3
      DSSD Ey energy histograms (attachment 17)
      DSSD Ey vs Ex plots (attachment 18)     -  statistics for DSSD0,1,3 are consistent (DSSD 2 stats appear higher - unknown reason as yet)

11:10 Leakage current for DSSD1 (I2 on leakage current plot) remained 'turbulent'. We dropped the voltage from 150V to 100V. Leakage current dropped from ~4.5uA to ~4.2 uA. We will see if it remains more stable. 
      Rates in DSSD1 increased during change in voltage so all histograms were zero'd and monitoring code reset. Transient also observed for I3 in the leake current plot (attachment 19)

12:10 No progress on the target so far ...
      Noticed in aida03 and aida04 several missing channels in the stats spectrum browser (attachment 20)
      ASIC check load several times on aida03 and aida04. All stats and histograms zero'd 

13.37 Target now available - will attempt beam + target
      New data file G22-88/R16

13.39 per FEE64 Stat spectra

13.43 All histograms and stats zero'd

      multiple channels missing aida03 and aida04 ( and possibly other FEE64s too )
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