Difference between revisions of "TOF HV SCAN FALL 2019"
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* take data at each HV settings for about 20 files | * take data at each HV settings for about 20 files | ||
* HV steps: +/- 25V: | * HV steps: +/- 25V: | ||
| − | ** HV = 1150, 1175, 1200, 1225, 1250, 1275, 1300 | + | ** HV = 1150, 1175, 1200, 1225, 1250, 1275, 1300 and new 1325, 1350 |
** HV = 1125, 1100, 1075, and new: 1050, 1025 | ** HV = 1125, 1100, 1075, and new: 1050, 1025 | ||
Revision as of 07:13, 9 June 2022
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 and new 1325, 1350
- HV = 1125, 1100, 1075, and new: 1050, 1025
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.
