Difference between revisions of "Short Term Run Plan"

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Do reload this page, it gets updated frequently.
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Last updated - see smallprint at the bottom of the page
  
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== Current Experiment ==
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== Run Plan ==
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Rare Eta Decay & GlueX II (with DIRC)
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* Experiment number: E12-12-002 (use in BTA shift information)
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* [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=834 Proposal]
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* Spokesperson: C. A. Meyer
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== Notes ==
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Production running cycling through targets:
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* All GlueX detectors (including DIRC)
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* '''JD80-212 80um''' diamond, '''200 nA''' beam current
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** 800M events for '''0/90 deg''' and '''PARA''' setting
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** 800M events for '''0/90 deg''' and '''PERP''' setting
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** 800M events for '''45/135 deg''' and '''PARA''' setting
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** 800M events for '''45/135 deg''' and '''PERP''' setting
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* 400M events with '''4.5×10-4 Al 40um''' radiator (on goniometer!), '''300 nA''' beam current
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** Set '''new reference for amorphous radiator''' in CBREM GUI.
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* Runs should be no longer than 2 hours.
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* Keep the state of the production cycle on the whiteboard up-to-date.
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== Special instructions ==  
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* Put '''comments''' for each run in the window opened by the DAQ.
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** The comment should at least contain the following information "<radiator> <PARA/PERP>, <beam current>, LH2 target, <typical trigger rate>, <typical live time>, <issues if any>"
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** Example: "JD80-212 80um 45/135 PARA, 200nA, LH2 target, 81kHz, 93% live time"
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** Note: due to a software issue run comments may not show up in RCDB, but they are saved by the DAQ and will be later added to the RCDB entries.
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* Set a new '''amorphous reference''' in the CBREM GUI each time the amorphous radiator is used.
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* Be sure to hit the '''"PARA" or "PERP" button''' in the CBREM GUI when switching diamond targets. Otherwise the diamond alignment may be in an undefined state and the experiment may be flooded with low-energy photons.
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* Watch for '''locked-up FCAL HV bases''' towards the end of a run and clear them before starting a new run. See [https://halldweb.jlab.org/hdops/wiki/index.php/Forward_Calorimeter_Shift#FCAL_High_Voltage_channel_with_yellow_border].
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* Watch the '''DAQ lifetime''' when beam is on. Sometimes it drops to 0%. Just stopping and restarting the run fixes this issue in most cases.
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* [https://forms.gle/N1cU1GWgXr81pWDc6 '''New hdops wiki feedback form is here'''] please use this to report confusing or outdated wiki instruction pages.
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== Medium Term (1 week) ==
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* No special plans.
  
 
== Run conditions ==
 
== Run conditions ==
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[https://halldweb.jlab.org/online/whiteboard/ Hall D counting room whiteboard]
 
  
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* Radiator: JD70-103 50 um diamond (4 orientations: 0, 90, 45, -45)
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* Radiators: see [https://halldweb.jlab.org/hdops/wiki/index.php/Short_Term_Run_Plan#Run_Plan Run Plan]
 
* Collimator: 5.0 mm
 
* Collimator: 5.0 mm
 
* TPOL converter: Be 75 um
 
* TPOL converter: Be 75 um
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* Runs are no more than 2 hours (~400M triggers)- see whiteboard for the production cycle
 
 
* Target: Liquid Hydrogen
 
* Target: Liquid Hydrogen
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* DAQ configuration
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** RUN = PHYSICS_DIRC
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** SETUP = hd_all.tsg_HLN
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** Production: TRIGGER = FCAL_BCAL_PS_2025_mod_m9.conf
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** Raw-mode runs: TRIGGER = FCAL_BCAL_PS_2025_mod_m10.conf
  
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DAQ configuration
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== Current Experiment ==
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* Setup: FCAL_BCAL_PS_m9
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GlueX II (with DIRC) & JEF and Alpha
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* Production: PHYSICS_DIRC
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* In the BTM this is "GlueX 2 / JEF"
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* (Raw mode: PHYSICS_DIRC_RAW)
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* E12-12-002 [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=834 GlueX II Proposal]
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* E12-10-011 [https://www.jlab.org/exp_prog/proposals/proposal_updates/PR12-10-011_pac37.pdf JEF proposal]
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== Run plan ==
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* E12-12-002a [https://arxiv.org/abs/2405.01288 Alpha Proposal]
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See the daily plan in [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Spring2023 Run Coordination Meetings:Spring2023] and also the [https://halldweb.jlab.org/online/whiteboard/ counting house whiteboard]
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== Shift duties  ==
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[[Shift_Guidelines_for_Shift_Leader|Shift Leader]]
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[[Guidelines_for_Remote_Worker_Shift|Shift Worker]]
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== Special instructions ==
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=== Hall Delta ===
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It's good practice to refer to our hall as Delta when talking to MCC, to make sure that there is no acoustic confusion between us and Hall B.
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=== Screenshot tool ===
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"Alt L" brings up the [[Logbook_Screenshot_Tool | screenshot tool for making E-log entries]]
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=== FCAL Base lockup ===
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If FCAL HV bases lose communication and stop providing high voltage, refer to https://halldweb.jlab.org/hdops/wiki/index.php/Forward_Calorimeter_Shift#FCAL_Base_lockup
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=== CDC Weather alarm ===
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aka Alarm on HD:coda:cdc:p_diff.
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See https://logbooks.jlab.org/entry/4117725
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* Stop run - Acknowledge alarm and document it - Start new run
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We are temporarily using Hall B sensor for our alarm, see [https://logbooks.jlab.org/entry/4117725 Alternative Barometric Pressure Measurement]  
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<!--The alarm has been disabled, see logbook entries [https://logbooks.jlab.org/entry/4114344 4114344], [https://logbooks.jlab.org/entry/4114307 4114307]-->
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=== DIRC Communication Error at Run Start ===
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When starting a new run, one of the DIRC FPGA boards may lose communication resulting in a Magenta communication error in the Alarm Tree, refer to [https://halldweb.jlab.org/hdops/wiki/index.php/DIRC_Shift#DIRC_Communication_Error_at_run_start this page] for a fix.
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=== After beam restoration ===
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* See [[Beam_Line_Detectors_Shift#Collimator_and_Radiators]] on how to move radiators and collimator
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* check the '''radiation levels''' without radiator and then with the radiator
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** see the whiteboard (bottom RHS corner of the RH board) - there are columns of values expected without and with the radiator
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* '''retract the radiator'''
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* '''collimator in blocking position'''
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* ask MCC to do their harp scan
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* our '''harp scans''': follow the instructions in [[Beam_Line_Detectors_Shift#Radiator_Harp_Scan]]
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=== rootspy  ===
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If you have to restart rootspy, [[Online_Monitoring_Shift#Routine_Operation]], and it crashes, you might have to restart the monitoring process, find help at [[Online_Monitoring_Shift#Starting_and_stopping_the_Monitoring_System]].
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=== DAQ issues ===
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Call the expert. In case they suggest that you restart the DAQ, find information at [[Data_Acquisition_Shift]].
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=== BTA sheet ===
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* The '''BTA''' guidelines are at [[BTA_guidelines]]. <br> After loading the EPICS values, you may change the values, eg round them up or down.
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** '''BANU values''' should be reflected in the PCC (or UED) value (else the aftermath doesnt work out for RC), put a comment for > 5minutes.
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** '''UED:''' unplanned experiment down (hardware failure).
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=== Bottom Alcohol Bubbler ===
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*We are not using the bottom alcohol bubbler. It is expected that its level is "ADD" and that it is not bubbling [https://logbooks.jlab.org/entry/4108449 log entry]
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Latest revision as of 12:11, 14 May 2025

Last updated - see smallprint at the bottom of the page

Run Plan

Production running cycling through targets:

  • JD80-212 80um diamond, 200 nA beam current
    • 800M events for 0/90 deg and PARA setting
    • 800M events for 0/90 deg and PERP setting
    • 800M events for 45/135 deg and PARA setting
    • 800M events for 45/135 deg and PERP setting
  • 400M events with 4.5×10-4 Al 40um radiator (on goniometer!), 300 nA beam current
    • Set new reference for amorphous radiator in CBREM GUI.
  • Runs should be no longer than 2 hours.
  • Keep the state of the production cycle on the whiteboard up-to-date.

Special instructions

  • Put comments for each run in the window opened by the DAQ.
    • The comment should at least contain the following information "<radiator> <PARA/PERP>, <beam current>, LH2 target, <typical trigger rate>, <typical live time>, <issues if any>"
    • Example: "JD80-212 80um 45/135 PARA, 200nA, LH2 target, 81kHz, 93% live time"
    • Note: due to a software issue run comments may not show up in RCDB, but they are saved by the DAQ and will be later added to the RCDB entries.
  • Set a new amorphous reference in the CBREM GUI each time the amorphous radiator is used.
  • Be sure to hit the "PARA" or "PERP" button in the CBREM GUI when switching diamond targets. Otherwise the diamond alignment may be in an undefined state and the experiment may be flooded with low-energy photons.
  • Watch for locked-up FCAL HV bases towards the end of a run and clear them before starting a new run. See [1].
  • Watch the DAQ lifetime when beam is on. Sometimes it drops to 0%. Just stopping and restarting the run fixes this issue in most cases.
  • New hdops wiki feedback form is here please use this to report confusing or outdated wiki instruction pages.

Medium Term (1 week)

  • No special plans.

Run conditions

  • Radiators: see Run Plan
  • Collimator: 5.0 mm
  • TPOL converter: Be 75 um
  • Target: Liquid Hydrogen
  • DAQ configuration
    • RUN = PHYSICS_DIRC
    • SETUP = hd_all.tsg_HLN
    • Production: TRIGGER = FCAL_BCAL_PS_2025_mod_m9.conf
    • Raw-mode runs: TRIGGER = FCAL_BCAL_PS_2025_mod_m10.conf

Current Experiment

GlueX II (with DIRC) & JEF and Alpha

Retrieved from "https://halldweb.jlab.org/hdops/wiki/index.php?title=Short_Term_Run_Plan&oldid=5014"