Difference between revisions of "TOF HV SCAN FALL 2019"

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(Created page with "HV SCAN OF TOF PMTS * Beam conditions: 180nA e-beam on 3.10^4 Al radiator * start with 1150V for all PMTs * take data at each HV settings for about 20 files * HV steps: +/- 2...")
 
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** HV = 1150, 1175, 1200, 1225, 1250, 1275, 1300
 
** HV = 1150, 1175, 1200, 1225, 1250, 1275, 1300
 
** HV = 1125, 1100, 1075
 
** HV = 1125, 1100, 1075
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 +
After the scan return to nominal running conditions as follows:
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On the TOF HV screen click save/restore.  This opens a small window.
 +
Click restore HV parameter setpoints.  This opens a larger window.
 +
Check that the file at the top of the list is selected, this ends with 1_Dec_2019_ALL1150V.snap
 +
Click Restore.

Revision as of 20:54, 6 December 2019

HV SCAN OF TOF PMTS

  • Beam conditions: 180nA e-beam on 3.10^4 Al radiator
  • start with 1150V for all PMTs
  • take data at each HV settings for about 20 files
  • HV steps: +/- 25V:
    • HV = 1150, 1175, 1200, 1225, 1250, 1275, 1300
    • HV = 1125, 1100, 1075

After the scan return to nominal running conditions as follows:

On the TOF HV screen click save/restore. This opens a small window. Click restore HV parameter setpoints. This opens a larger window. Check that the file at the top of the list is selected, this ends with 1_Dec_2019_ALL1150V.snap Click Restore.