ELOG AIDA

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

AIDA

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Sat Jun 30 03:05:36 2018

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11:05 Bias and leakage currents ok - attachment 1
      FEE temperatures ok
      System wide checks ok
      Currently on file R9_74
      Temperature 25.3C, Humidity 42.9%, D.P +12.1C

13:27 Bias and leakage currents ok - attachment 2
      FEE Temperatures ok
      System wide checks ok

Analysis of the pulser run R9_52 -> R9_74 has shown no major losses in terms of apparent broken bond wires.
      The large gap in FEE64 29 can be explained by an ASIC dropping out: See https://elog.ph.ed.ac.uk/AIDA/730
      Another odd trend appears in the channels relating to DSSD 8 on the x side. - attachment 5
      The pattern shows one strip on one strip off for the first 32 strips.
      nnaida18 is also the FEE which is running at a much higher rate during this run. - attachment 3
      I'm not sure that I believe that these channels are actually relate to broken bond wires.

Here are the hit patterns for the 8 DSSD - attachment 4
      Attached is also the x and y histograms for DSSD 8 which shows a weird pattern - attachment 5

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