Difference between revisions of "BLTWG Meeting 2/27/2017"

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# Brainstorming with M. Tieffenback about a possible photon beam scanner - ''Alexandre D.''
 
# Brainstorming with M. Tieffenback about a possible photon beam scanner - ''Alexandre D.''
 
# Update on TAGH calibrations - ''Nathan S.''
 
# Update on TAGH calibrations - ''Nathan S.''
# Update on TAGM calibrations - ''Alex B.''
+
# [https://halldweb.jlab.org/DocDB/0032/003246/001/BLTWG-2017-02-27.pdf Update on TAGM calibrations] - ''Alex B.''
 
#* first determination of light yield for new fibers ([https://logbooks.jlab.org/entry/3461679 3461679])
 
#* first determination of light yield for new fibers ([https://logbooks.jlab.org/entry/3461679 3461679])
 
#* new Vbias values for TAGM, adjustments to fADC and discriminator thresholds
 
#* new Vbias values for TAGM, adjustments to fADC and discriminator thresholds

Revision as of 13:06, 27 February 2017

Organization

  • Time: 11:30 EDT
  • Connecting: detailed instructions are here
  • Conference id: 536076821
  • Present:

Agenda

  1. Announcements
  2. Photon beam issues encountered during this run - Alexandre D.
    • rate difference with different diamond orientations (3456227, 3457757, 3457790)
    • beam energy for this run (latest entry: 3457959)
    • BEM fix (scheduled for Thu. 21st) and its recent failures (entries 3456851, 3457107).
    • soft photon background, satellite peaks on profiler
    • system failures (PS power supply, AC preamp PS, target IOC)
  3. Brief review of progress with beam conditions during run - Hovanes E.
    • harp scans
  4. Brainstorming with M. Tieffenback about a possible photon beam scanner - Alexandre D.
  5. Update on TAGH calibrations - Nathan S.
  6. Update on TAGM calibrations - Alex B.
    • first determination of light yield for new fibers (3461679)
    • new Vbias values for TAGM, adjustments to fADC and discriminator thresholds
    • disagreement between TAGH/TAGM over correct time offset relative to RF
  7. Update on PS calibration and TAC measurements - Sascha S.
  8. Any other business

Notes