Difference between revisions of "CREX Detailed High current plan"
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#* verify compton rates | #* verify compton rates | ||
#<font color=blue> Ramp to SAM Shutter test </font> | #<font color=blue> Ramp to SAM Shutter test </font> | ||
− | #* Insert Lead Target. | + | ##* Insert Lead Target. |
− | #* Raster 10x10. | + | ##* Raster 10x10. |
− | #* 20 nA. ''(Atten 107, slit 15)'' | + | ##* 20 nA. ''(Atten 107, slit 15)'' |
− | #* Cav locks on | + | ##* Cav locks on |
− | #* spot++ verify not seeing edges | + | ##* spot++ verify not seeing edges |
− | #* Set raster ?x? ''(to get (x.y) = 4x6 real)'' | + | ##* Set raster ?x? ''(to get (x.y) = 4x6 real)'' |
− | # Go up in current 1uA (5min) | + | ## Go up in current 1uA (5min) |
− | #* All HV off in HRS hut | + | ##* All HV off in HRS hut |
− | #* Target lock ''(0.6mm, 0.4mm)'' -> (-0.3, -0.5) is collimator hole center for CREX | + | ##* Target lock ''(0.6mm, 0.4mm)'' -> (-0.3, -0.5) is collimator hole center for CREX |
− | #* Collimator water temp | + | ##* Collimator water temp |
− | #* Beamline temperatures | + | ##* Beamline temperatures |
− | #* Ion chamber (stability) | + | ##* Ion chamber (stability) |
− | #* SAM yields | + | ##* SAM yields |
− | #* BCM and BPM yields, widths. | + | ##* BCM and BPM yields, widths. |
#<font color=blue> Aaccess to remove SAM shutters, detector to integrate mode.</font> | #<font color=blue> Aaccess to remove SAM shutters, detector to integrate mode.</font> | ||
#<font color=blue> Ramp to High current test. </font> | #<font color=blue> Ramp to High current test. </font> | ||
− | #* Cavity bpm back to high current mode | + | ##* Cavity bpm back to high current mode |
− | #* All HV off in HRS hut, except quartz | + | ##* All HV off in HRS hut, except quartz |
− | #* Target lock ''(0.6mm, 0.4mm)'' | + | ##* Target lock ''(0.6mm, 0.4mm)'' |
− | # 20uA (review) (10min) | + | ## 20uA (review) (10min) |
− | #* Target lock, FFB (monitor bpm Saturation) | + | ##* Target lock, FFB (monitor bpm Saturation) |
− | #* Collimator water temp | + | ##* Collimator water temp |
− | #* Beamline temperatures | + | ##* Beamline temperatures |
− | #* Ion chamber (stability) | + | ##* Ion chamber (stability) |
− | #* SAM and DET yields and widths | + | ##* SAM and DET yields and widths |
− | #* BCM and BPM yields, widths. | + | ##* BCM and BPM yields, widths. |
− | # 100uA (review) (10min) | + | ## 100uA (review) (10min) |
− | #* Target lock, FFB (monitor bpm SAT) | + | ##* Target lock, FFB (monitor bpm SAT) |
− | #* Collimator water temp | + | ##* Collimator water temp |
− | #* beamline temperatures | + | ##* beamline temperatures |
− | #* Ion chamber (stability) | + | ##* Ion chamber (stability) |
− | #* SAM and DET yields and widths | + | ##* SAM and DET yields and widths |
− | #* BCM and BPM yields, widths. | + | ##* BCM and BPM yields, widths. |
− | # 150A(1hr) | + | ## 150A(1hr) |
− | #* Target lock, FFB (monitor bpm SAT) | + | ##* Target lock, FFB (monitor bpm SAT) |
− | #* Aq feedback | + | ##* Aq feedback |
− | #* Collimator water temp | + | ##* Collimator water temp |
− | #* beamline temperatures | + | ##* beamline temperatures |
− | #* Ion chamber (stability) | + | ##* Ion chamber (stability) |
− | #* SAM and DET yields and widths | + | ##* SAM and DET yields and widths |
− | #* BCM and BPM yields, widths. | + | ##* BCM and BPM yields, widths. |
#<font color=blue>Calibration scan, see [[Detailed_Calibration_plan|Calibration Plan]]</font> | #<font color=blue>Calibration scan, see [[Detailed_Calibration_plan|Calibration Plan]]</font> | ||
#* FFB ON | #* FFB ON |
Latest revision as of 13:34, 8 December 2019
PREX version, CREX Calibration Plan, CREX Production Plan
Beamline instrumentation calibration - All copied from PREX, updated to CREX numbers
- Check detector alignment and pulse height (Done)
- 1uA Hall A Target BPM lock (with Cavities if required, probably not)
- 0.2% Carbon
- 20 nA, cavity locks on and cavities in low current mode
- VDC on.
- Check rates, verify pulse height spectra and alignment
- Modify DAQ to include GEMS. 10 minute run with GEMS.
- C-Hole target, verify spot (Done)
- 20 nA, spot ++ verify raster size
- harp scan 4e, verify intrinsic size at target
- High current - no target (Skip it tonight)
- verify compton rates
- Ramp to SAM Shutter test
- Insert Lead Target.
- Raster 10x10.
- 20 nA. (Atten 107, slit 15)
- Cav locks on
- spot++ verify not seeing edges
- Set raster ?x? (to get (x.y) = 4x6 real)
- Go up in current 1uA (5min)
- All HV off in HRS hut
- Target lock (0.6mm, 0.4mm) -> (-0.3, -0.5) is collimator hole center for CREX
- Collimator water temp
- Beamline temperatures
- Ion chamber (stability)
- SAM yields
- BCM and BPM yields, widths.
- Aaccess to remove SAM shutters, detector to integrate mode.
- Ramp to High current test.
- Cavity bpm back to high current mode
- All HV off in HRS hut, except quartz
- Target lock (0.6mm, 0.4mm)
- 20uA (review) (10min)
- Target lock, FFB (monitor bpm Saturation)
- Collimator water temp
- Beamline temperatures
- Ion chamber (stability)
- SAM and DET yields and widths
- BCM and BPM yields, widths.
- 100uA (review) (10min)
- Target lock, FFB (monitor bpm SAT)
- Collimator water temp
- beamline temperatures
- Ion chamber (stability)
- SAM and DET yields and widths
- BCM and BPM yields, widths.
- 150A(1hr)
- Target lock, FFB (monitor bpm SAT)
- Aq feedback
- Collimator water temp
- beamline temperatures
- Ion chamber (stability)
- SAM and DET yields and widths
- BCM and BPM yields, widths.
- Calibration scan, see Calibration Plan
- FFB ON
- To 150 uA
- SAMs HVs set
- DETs HVs set
- PITA scan at end to check det linearities later
- BMW
- Tune beam, slow lock on (ad FFB on?), exercise BMW, check no ion chamber trips, check pauses locks and FFB
- Low current 2-3uA, exercise BMW, check BPM signals, check no ion chamber issues
- Target in, low current 2-3uA,exercise BMW, check BPM signals, check no ion chamber issues
- "Ready for high current"