Difference between revisions of "Detector Working Group Meetings"

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(SHMS)
(Detector Statuses)
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| Shower/Pre-Shower || style="background-color:limegreen" | [https://logbooks.jlab.org/entry/3467430 Gain Calibration]  || style="background-color:red" | ?
 
| Shower/Pre-Shower || style="background-color:limegreen" | [https://logbooks.jlab.org/entry/3467430 Gain Calibration]  || style="background-color:red" | ?
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<br style="clear:both;"/>
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==== DAQ/Trigger ====
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{| border="1" cellpadding="2" valign="top" style="text-align: center;"
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!width="250"| Readout Configuration
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!width="450"| Triggers
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!width="250"| Ready for Physics
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|-
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| rowspan ="8" | HMS Single Arm
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| style="background-color:limegreen" | SCIN = 3/4 Hodoscope Planes
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| rowspan ="8;" style="background-color:red" | No
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|-
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| style="background-color:limegreen" | CER = Cherenkov ADC Sum w/ Threshold
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|-
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| style="background-color:limegreen" | PSh_Lo & PSh_Hi = Low and High Pre-Shower ADC Sum w/ Thresholds
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|-
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| style="background-color:red" | EL-Lo = SCIN AND PSH_Lo and !CER
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|-
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| style="background-color:red" | EL-Hi = SCIN AND PSH_Hi
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|-
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| style="background-color:red" | EL-REAL = EL_Lo OR EL_Hi
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|-
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| style="background-color:red" | EL-CLEAN = EL_Lo AND EL_Hi
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|-
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| style="background-color:red" | PION = SCIN AND !CER
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|-
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| rowspan ="8" | SHMS Single Arm
 +
| style="background-color:limegreen" | SCIN = 3/4 Hodoscope Planes
 +
| rowspan ="8;" style="background-color:red" | No
 +
|-
 +
| style="background-color:limegreen" | CER = Cherenkov ADC Sum w/ Threshold
 +
|-
 +
| style="background-color:limegreen" | PSh_Lo & PSh_Hi = Low and High Pre-Shower ADC Sum w/ Thresholds
 +
|-
 +
| style="background-color:red" | EL-Lo = SCIN AND PSH_Lo and !CER
 +
|-
 +
| style="background-color:red" | EL-Hi = SCIN AND PSH_Hi
 +
|-
 +
| style="background-color:red" | EL-REAL = EL_Lo OR EL_Hi
 +
|-
 +
| style="background-color:red" | EL-CLEAN = EL_Lo AND EL_Hi
 +
|-
 +
| style="background-color:red" | PION = SCIN AND !CER
 
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|}
 
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Revision as of 08:19, 4 October 2017

General Information

  • The aim of the detector working group meetings is to assess the current status of the Hall C detector systems in preparation for the upcoming run periods

Blue Jeans Connection Information

  1. Enter Meeting ID: 895800575
  2. Press #

Summer Preparation Work

Task Person Comment
HMS/SHMS angle/pointing surveys
HMS/SHMS collimator surveys M Jones Surveys done. Need to put info on wiki.
Install SHMS shielding around the Dipole openings Hall C designers/engineers/techs Designed and ordered.
Install SHMS electronic hut shadow shielding Hall C designers/engineers/techs Designed. Being built?
Install SHMS HB lead shielding Hall C designers/engineers/techs Designed. Ordered?
Replace Noble Gas Cherenkov with vacuum pipe Hall C techs Need to coordinate. Like access for temporary dipole NMR.
Change out SHMS chamber? E Christy
Install GEM sieve L. Kabir, E. Pooser, S. Wood Installed in SHMS hut.
Replace SHMS quartz plane PMTs S. Malace, K. Craycraft, A. Sun Order placed. Setting up cosmic test stand.
BCM checkout D. Mack, D. Bhetuwal
SHMS magnet cycling procedure D. Mack and S. Murri (summer student) Starting with Q1.
Trigger setup E Pooser, B Sawatzky
Electronic deadtime B Sawatzky Need student
Coincidence trigger E Pooser, B Sawatzky
DAQ stress test B Sawatzky Need student?
Add FADC scalers to general scaler display S Wood
Add every 4 sec BCM scaler read S Wood, B. Sawatzky

Detector Statuses

Fall 2017/Spring 2018 Commissioning Run

HMS

Detector System Calibrations Ready for Physics
Drift Chambers t0 Offsets No
Drift Distance
Alignment
Hodoscopes Time-Walk Corrections Yes
Propagation Time Correction
Attenuation Length Correction
Cherenkov Gain Calibration  ?
Shower/Pre-Shower Gain Calibration  ?


SHMS

Detector System Calibrations Ready for Physics
Noble Gas Cherenkov Gain Calibration  ?
Efficiencies
Drift Chambers t0 Offsets  ?
Drift Distance
Alignment
Hodoscopes Time-Walk Corrections  ?
Propagation Time Correction
Attenuation Length Correction
Heavy Gas Cherenkov Gain Calibration  ?
Efficiencies
Aerogel Gain Calibration  ?
Shower/Pre-Shower Gain Calibration  ?


DAQ/Trigger

Readout Configuration Triggers Ready for Physics
HMS Single Arm SCIN = 3/4 Hodoscope Planes No
CER = Cherenkov ADC Sum w/ Threshold
PSh_Lo & PSh_Hi = Low and High Pre-Shower ADC Sum w/ Thresholds
EL-Lo = SCIN AND PSH_Lo and !CER
EL-Hi = SCIN AND PSH_Hi
EL-REAL = EL_Lo OR EL_Hi
EL-CLEAN = EL_Lo AND EL_Hi
PION = SCIN AND !CER
SHMS Single Arm SCIN = 3/4 Hodoscope Planes No
CER = Cherenkov ADC Sum w/ Threshold
PSh_Lo & PSh_Hi = Low and High Pre-Shower ADC Sum w/ Thresholds
EL-Lo = SCIN AND PSH_Lo and !CER
EL-Hi = SCIN AND PSH_Hi
EL-REAL = EL_Lo OR EL_Hi
EL-CLEAN = EL_Lo AND EL_Hi
PION = SCIN AND !CER


Hall C Detectors and System Owners

Beam Line

Trigger & DAQ

HMS

SHMS

Detector Working Group Meetings in 2017