Difference between revisions of "Check-list For taking Counting runs and Going back to Production"
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(Created page with "* Before taking Counting Runs: ** Ask for low current (0.3uA for Ca-48 target for detector alignment check and <2uA for C-Hole raster check) ** Turn '''ON S0 and S3''' ('''L0....") |
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* Before taking Counting Runs: | * Before taking Counting Runs: | ||
| − | + | ** Turn '''ON S0 and S3''' ('''L0.0, L0.1, L0.2, L0.3, L0.4''' in both arm's HV GUI) | |
| − | ** Turn '''ON S0 and S3''' ('''L0.0, L0.1, L0.2, L0.3, L0.4''' in both arm's HV GUI) | + | ** For '''Raster Check in C-Hole''' |
| − | ** For | + | *** Ask low current <2uA such that '''T1 rate <100kHz''' |
| − | ** For Detector alignment Check | + | *** Ask for appropriate raster size and position lock as in '''WHITE BOARD''' |
| − | *** make sure the '''T1 rate is ~ | + | *** Follow [[HVgui | Checking the HV]] HOW TOs for shift crew if you need to |
| + | *** You can start runs once the '''position and HV read-back are settled''' | ||
| + | ** For '''Detector alignment Check''' | ||
| + | *** Ask for low current (0.3uA on Ca-48 target) | ||
| + | *** Ask for appropriate raster size and position lock as in '''WHITE BOARD''' | ||
| + | *** make sure the '''T1 rate is ~200kHz''' | ||
*** turn '''ON VDC''' ('''L6.0, L6.3''' in LHRS and '''L4.5, L4.7''' in RHRS) if the T1 rate is good | *** turn '''ON VDC''' ('''L6.0, L6.3''' in LHRS and '''L4.5, L4.7''' in RHRS) if the T1 rate is good | ||
*** set Downstream MAIN detectors HV to '''-1900V''' ('''L1.1 in both arms'''), and turn them ON | *** set Downstream MAIN detectors HV to '''-1900V''' ('''L1.1 in both arms'''), and turn them ON | ||
*** once the position and HV read-back are settled, take runs | *** once the position and HV read-back are settled, take runs | ||
| + | *** follow [[Taking MAIN detector Counting Run | Taking MAIN detector Counting Run]] if you need to analyse data | ||
* Once you are done with counting Runs: | * Once you are done with counting Runs: | ||
** Turn '''OFF S0, S3, Downstream MAIN detectors, and VDCs''' and set '''Downstream MAIN detectors HV to 0.0V''' | ** Turn '''OFF S0, S3, Downstream MAIN detectors, and VDCs''' and set '''Downstream MAIN detectors HV to 0.0V''' | ||
| − | ** Ask for high current only after turning OFF the detectors mentioned in the previous step | + | ** Ask for high current (production) only after turning OFF the detectors mentioned in the previous step |
Latest revision as of 14:05, 5 February 2020
- Before taking Counting Runs:
- Turn ON S0 and S3 (L0.0, L0.1, L0.2, L0.3, L0.4 in both arm's HV GUI)
- For Raster Check in C-Hole
- Ask low current <2uA such that T1 rate <100kHz
- Ask for appropriate raster size and position lock as in WHITE BOARD
- Follow Checking the HV HOW TOs for shift crew if you need to
- You can start runs once the position and HV read-back are settled
- For Detector alignment Check
- Ask for low current (0.3uA on Ca-48 target)
- Ask for appropriate raster size and position lock as in WHITE BOARD
- make sure the T1 rate is ~200kHz
- turn ON VDC (L6.0, L6.3 in LHRS and L4.5, L4.7 in RHRS) if the T1 rate is good
- set Downstream MAIN detectors HV to -1900V (L1.1 in both arms), and turn them ON
- once the position and HV read-back are settled, take runs
- follow Taking MAIN detector Counting Run if you need to analyse data
- Once you are done with counting Runs:
- Turn OFF S0, S3, Downstream MAIN detectors, and VDCs and set Downstream MAIN detectors HV to 0.0V
- Ask for high current (production) only after turning OFF the detectors mentioned in the previous step
