Difference between revisions of "How-to"

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NOTE: If you can't solve the problem in 1 hour you ''MUST'' then contact the Run Coordinator!'''  (See also [[Experts on call]])
 
NOTE: If you can't solve the problem in 1 hour you ''MUST'' then contact the Run Coordinator!'''  (See also [[Experts on call]])
  
== How-To ==
+
== General How-to's ==
  
 
* The [https://hallcweb.jlab.org/safety-docs/current/Standard-Equipment-Manual.pdf Hall C Operations Manual] is a thorough and up-to-date set of instructions.
 
* The [https://hallcweb.jlab.org/safety-docs/current/Standard-Equipment-Manual.pdf Hall C Operations Manual] is a thorough and up-to-date set of instructions.
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* Make HCLog entries using the [https://logbooks.jlab.org/book/hclog logbook] page, or by running 'hclog' in a terminal.
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** Please be concise, but clear.  Assume you will need to search for, and understand, an entry 12 months from now (or longer).
 +
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* [https://misportal.jlab.org/mis/apps/physics/shiftChecklist/index.cfm?shiftChecklistTypeId=2 Electronic Shift Checklist] should be completed once per shift.
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** [[Shift Checklist Help]]
  
 
* [[Analysis How-to]]
 
* [[Analysis How-to]]
  
* [[Beam Checkout Procedures]]
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* [[Beam Checkout Procedures]] Includes -
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** Raster checks
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** Harp scans
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** Carbon hole check
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* Hall C Raster
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**If problems call Raster experts in order of listed on  [https://hallcweb.jlab.org/wiki/index.php/Experts_on_call#On_call_Experts Expert on call page].
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**Raster procedure is located at [http://opsntsrv.acc.jlab.org/ops_docs/online_document_files/MCC_online_files/hallC_target_raster_proc.pdf Hall C Fast Raster Setup Procedure]
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**The raster X and Y signals that go into the DAQ are also shown on an oscilliscope in rack CH03B14.
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<!--
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** Instructions for circular raster ( not using as of AUg 2021)
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*** See [https://logbooks.jlab.org/entry/3748775 logbook entry] for a movie of good oscilliscope signals. The X and Y should be 90 degrees out of phase and the amplitude variation in sync.
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*** If raster signal's amplitude variation is not in sync, then ask MMC to go to the "Waveform Generator" page ( top right corner of the Hall C fast raster page). On the "Waveform Generator" page have MCC click on the "SYNC ARB" button.
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*** If raster signal's phase is not 90 degrees, then ask MMC to go to the "Waveform Generator" page ( top right corner of the Hall C fast raster page). On the "Waveform Generator" page have MCC click on the "SYNC PHASE" button.
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-->
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* DAQ Related Help
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** [[Hall_C_DAQ|Hall C DAQ Setup / Restart Instructions]]
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** [[Hall_C_DAQ#Live_Time_Display|DAQ Live Time missing?]]
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** [[Hall-C_HMS_DAQ_Failure_Modes | "HMS DC may be ringing (check replay now)" alarm]]
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* Collimator, Sieve Controls
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** EPICS screens can be found at jmenu -> <search for> "HMS coll" and you'll see both entries
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*** The usual collimator settings are HMS : "Large Collimator" and SHMS : "Collimator".
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*** The usual sieve settings are "HMS: Sieve" and SHMS: "Centered Sieve"
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** [https://hallcweb.jlab.org/DocDB/0010/001002/002/Instructions-power-cycle-HallC-collimators.pdf Instructions for power cycling the drive controllers for the HMS/SHMS collimators]. [https://hallcweb.jlab.org/doc-private/ShowDocument?docid=1002 DocDB Page]
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** [https://hallcweb.jlab.org/DocDB/0008/000828/001/hallc_collimators.pdf More detailed info on collimator controls]. Also includes description of the collimators.
  
* [https://hallcweb.jlab.org/DocDB/0008/000828/001/hallc_collimators.pdf Collimator control for HMS/SHMS]. Also includes description of the collimators.
 
**  EPICS screens can be found at jmenu -> <search for> "HMS coll" and you'll see both entries
 
** The usual collimator settings are HMS : "Pion Collimator" and SHMS : "Collimator".
 
 
* [[Scalers|Hall C Scalers & xscalers instructions]] for HMS and SHMS.
 
* [[Scalers|Hall C Scalers & xscalers instructions]] for HMS and SHMS.
* [https://hallcweb.jlab.org/DocDB/0008/000830/001/shms-dc-howto.pdf SHMS drift chamber instructions]
 
  
* [[Hall_C_DAQ|Hall C DAQ Instructions]]
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* Gas Shed
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** Drift Chamber Gas System
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*** See [https://hallcweb.jlab.org/safety-docs/current/Standard-Equipment-Manual.pdf Standard Equipment Manual]
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***[https://hallcweb.jlab.org/munin/gas_shed-day.html Flow and Temperature Charts] (generated by iochcgs.acc.jlab.org)
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* [[High_Voltage|High Voltage Controls]]
 
* [[High_Voltage|High Voltage Controls]]
* [https://hallcweb.jlab.org/DocDB/0008/000835/001/simple_raster_analysis.pdf Quick Replay of raster data] ("spot++" equivalent)
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** Run 'go_hv' and follow instructions
 
* [[EPICS/Accelerator Screens]]
 
* [[EPICS/Accelerator Screens]]
** Also includes Stripcharts, Gas System info, Collimator controls, Chamber Thresholds, Harps, etc...
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** Also includes Stripcharts, Gas System info, Collimator controls, Chamber Thresholds, Harps, Energy/Position Locks, etc...
* Hall C BPMs
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*[[Hall C Drift Chamber Threshold Controls]]
** Run '''go_bpms''' from the ''cdaq'' account
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* Hall C BPMs: Run '''go_bpms''' from the ''cdaq'' account
 
*[[Hall C Harps | How to see results of Hall C harp scans]]
 
*[[Hall C Harps | How to see results of Hall C harp scans]]
 
*[[Hall C YAG Viewer | How to bring up the Hall C YAG Viewer camera]]
 
*[[Hall C YAG Viewer | How to bring up the Hall C YAG Viewer camera]]
 
*[[Hall C Alarm Handler | How to bring up the Alarm Handler]]
 
*[[Hall C Alarm Handler | How to bring up the Alarm Handler]]
*[[Hall C Cameras | How to bring up the Hall C cameras]]
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*Counting House Cameras (Four Halls) &bull; Run '''go_cameras_CH''' from ''cdaq'' or ''cvideo'' account
*[[Hall C EDTM Pulser | How to restor the Hall C EDTM Pulser]]
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*[[Hall C Cameras | Hall C cameras]]
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*[[Hall C BCM Temperatures]]
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*[[Hall C EDTM Pulser | How to restore the Hall C EDTM Pulser]]
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*[[Hall C HMS/SHMS shutters | How to check the HMS/SHMS shutters]]
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*[[Hall C Pedestal Runs and Determining FADC Thresholds | How to perform pedestal runs and determine FADC thresholds]]
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*[[Hall C Raster Runs | How to perform raster runs]] (this is the equivalent of spot++)
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*[[Bull's Eye Scan | Bull's Eye Scan -- BPM calibration instructions]]
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* HMS discriminator threshold read back is now in the Alarm Handler (no manual check required)
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** [https://logbooks.jlab.org/entry/3588049 How to check the HMS discriminator threshold read back] -- Obsolete
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** [https://logbooks.jlab.org/entry/3811562 HMS discriminator threshold added to alarm handler] -- Updated entry (June, 2020)
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* [https://hallcweb.jlab.org/DocDB/0009/000957/001/NonInvasiveBCMCalibration.pdf How to perform a BCM calibration]
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* [https://hallcweb.jlab.org/DocDB/0010/001006/001/Radiator.pdf How to operate the Hall-C Radiator (J/Psi Experiment)]
  
== Magnets ==
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== Spectrometer Magnets ==
* Magnet screen is brought up on any hcdesk machine using
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* Magnet screen is brought up on any hcdesk machine by the command '''go_magnets'''
  % go_magnets
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**Note: only ONE copy of the magnet control GUI screen can be running. Creating a new one will cause the old one to disappear.
*[[Spectrometer Magnets]]
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*[[How to operate and monitor the Spectrometer Magnets]]
*[https://hallcweb.jlab.org/DocDB/0008/000837/001/HMS_cycling_2007.pdf How to cycle the HMS quad magnets]
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*[[Spectrometer Magnets Cryogenics]]
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*[[Resetting Magnet Interlocks]]
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*How-to power cycle SHMS PLC I/O chassis: https://logbooks.jlab.org/entry/3625900
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* [https://logbooks.jlab.org/entry/3933073 Resetting the "ioc heartbeat epics communications" (start by clicking on the heart at upper left of the magnet controls screen]
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== How to Rotate the HMS and SHMS ==
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*[[Spectrometer Rotation]]
  
 
== SHMS Detectors ==
 
== SHMS Detectors ==
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*[[SHMS Heavy Gas Cerenkov | Heavy Gas Cherenkov]]
 
*[[SHMS Heavy Gas Cerenkov | Heavy Gas Cherenkov]]
 
*[[SHMS Noble Gas Cerenkov | Noble Gas Cherenkov]]
 
*[[SHMS Noble Gas Cerenkov | Noble Gas Cherenkov]]
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*[[SHMS GEM | GEM]]
  
 
== HMS Detectors ==
 
== HMS Detectors ==
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*[[HMS Cherenkov | Cherenkov]]
 
*[[HMS Cherenkov | Cherenkov]]
  
== Hall C target ==
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== [[Polarized 3He target in Hall C]] ==
[https://hallcweb.jlab.org/DocDB/0008/000836/001/HallCTargetConfiguration2-6-17.pdf Hall C target configuration for Spring 17 running]
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{{:Polarized_3He_target_in_Hall_C}}
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== Hall C Cryo-target ==
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* [https://userweb.jlab.org/~smithg/target/Qweak/#_12_GeV_Era Hall C 12-GeV Era Cryotarget Instructions]
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* [https://hallcweb.jlab.org/DocDB/0008/000836/001/HallCTargetConfiguration2-6-17.pdf Hall C target configuration for Spring 17 running]
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* [https://hallcweb.jlab.org/DocDB/0010/001006/001/Radiator.pdf How to operate the Hall-C Bremsstrahlung Radiator for the J/Ψ -007 Experiment (Spring 2019)]
  
 
== Legacy Documentation ==
 
== Legacy Documentation ==
* [https://hallcweb.jlab.org/document/howtos/ List of (legacy) Hall-C HowTo Documents]
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*[https://hallcweb.jlab.org/document/howtos/ List of (legacy) Hall-C HowTo Documents]
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*[https://hallcweb.jlab.org/DocDB/0008/000837/001/HMS_cycling_2007.pdf How to cycle the HMS quad magnets]
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*[http://userweb.jlab.org/~hcf/status.html Howard's page of Archiver magnet trend charts]

Latest revision as of 09:40, 27 October 2021

NOTE: If you can't solve the problem in 1 hour you MUST then contact the Run Coordinator! (See also Experts on call)

General How-to's

  • Make HCLog entries using the logbook page, or by running 'hclog' in a terminal.
    • Please be concise, but clear. Assume you will need to search for, and understand, an entry 12 months from now (or longer).

Spectrometer Magnets

How to Rotate the HMS and SHMS

SHMS Detectors

HMS Detectors

Polarized 3He target in Hall C

Hall C Cryo-target

Legacy Documentation