Difference between revisions of "Shift How-To"
From Hall A Wiki
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* open the analyzer by typing ''analyzer'' | * open the analyzer by typing ''analyzer'' | ||
* once in the analyzer type ''.L replay_gmn.C'' | * once in the analyzer type ''.L replay_gmn.C'' | ||
| − | * ''for routine analysis'' type ''replay_gmn(runnum, nevents)'', with: | + | * '''for routine analysis''' type ''replay_gmn(runnum, nevents)'', with: |
** ''runnum'' the run number you want to analyze; | ** ''runnum'' the run number you want to analyze; | ||
** ''nevents'' the number of events you want to analyze. | ** ''nevents'' the number of events you want to analyze. | ||
| − | * ''for expert analysis only'' type ''replay_gmn(runnum, nevents, firstevent, file_prefix, firstsplit, nsplits, pedestalmode)'' with: | + | * '''for expert analysis only''' type ''replay_gmn(runnum, nevents, firstevent, file_prefix, firstsplit, nsplits, pedestalmode)'' with: |
** ''firstevent'' the event number from which you want to start the analysis; | ** ''firstevent'' the event number from which you want to start the analysis; | ||
** ''file_prefix'' the prefix of the file you want to analyze; | ** ''file_prefix'' the prefix of the file you want to analyze; | ||
** ''firstsplit'' the split/segment number at which you want to start the analysis; | ** ''firstsplit'' the split/segment number at which you want to start the analysis; | ||
** ''nsplits'' the number of splits/segments you want to analyze | ** ''nsplits'' the number of splits/segments you want to analyze | ||
| + | ** ''pedestalmode'' turn pedestal mode on or off for the GEMs | ||
= Recovery Procedures = | = Recovery Procedures = | ||
Revision as of 10:02, 6 October 2021
Contents
Overview
This page gives instructions for various aspects of the experiment relating to each of the major subsystems and shift tasks.
Shift Roles
- Shift Leader: Executes the Run Plan according to the Run Coordinator's instructions
- Target Operator: Monitors the target system
- Data Quality Monitor: Starts and stops CODA DAQ runs and monitors the quality of the data that is being recorded
Reporting and Logging
All shift takers should regularly log shift details in HALOG - the Hall A electronic logbook.
Shift leaders should fill out Beam Time Accounting (BTA) information during the shift.
Taking Data
- Using the CODA DAQ
- GUI Description
- Starting a Run
- Stopping a Run
- Monitoring the data
- Online analysis
- Shift checklist
online analysis
This section contains instructions for running the replay script with all detectors on a-onl@aonlX.
- Login to a-onl@aonlX (X=1, 2, 3, 4)
- once logged in, type gosbs => this takes you to the directory where the analysis should be done, and sets up the correct environment variables.
- open the analyzer by typing analyzer
- once in the analyzer type .L replay_gmn.C
- for routine analysis type replay_gmn(runnum, nevents), with:
- runnum the run number you want to analyze;
- nevents the number of events you want to analyze.
- for expert analysis only type replay_gmn(runnum, nevents, firstevent, file_prefix, firstsplit, nsplits, pedestalmode) with:
- firstevent the event number from which you want to start the analysis;
- file_prefix the prefix of the file you want to analyze;
- firstsplit the split/segment number at which you want to start the analysis;
- nsplits the number of splits/segments you want to analyze
- pedestalmode turn pedestal mode on or off for the GEMs
Recovery Procedures
Systems
High Voltage
Alarms
Beam Line
- Monitoring the Beam Line
- Hall A beam line drawing (to be updated)
- SBS checkout procedure
- SBS spot++ (beam size verification)
- SBS BPM calibration
- SBS HARP scan
- SBS Polarization Measurements
- Compton: Not Used
- SBS Moller
Target
Magnets
Detectors
BigBite
- GEMs
- GRINCH
- Timing Hodoscope
- Preshower and Shower
Super BigBite
- GEMs
- HCAL
