Difference between revisions of "Π polarizability Meeting Feb 2, 2022"

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# Software/Calibration for CPP (David, Alex and Sean)
 
# Software/Calibration for CPP (David, Alex and Sean)
 
#* [https://docs.google.com/presentation/d/1HkMlIgEzZaNuDpH__7YXINmNYZvc78gLoMUoosmbWjs/edit?usp=sharing DFMWPCMatchedTrack]
 
#* [https://docs.google.com/presentation/d/1HkMlIgEzZaNuDpH__7YXINmNYZvc78gLoMUoosmbWjs/edit?usp=sharing DFMWPCMatchedTrack]
 +
#* Quite a few updates: Simon has updated software projecting tracks to various detectors including Fcal, Fmwpc and new scintillators.
 +
#* Studying how to include MWPC hits into PID algorithms.
 +
#* David is updating the event viewer to hdview2 for a new window for the MWPC.
 +
#* Simon: working on hdgeant4 to emulate the deposited charge, which is presently missing (q instead of dE)
 +
#* Mark: The CPP branch has been merged into the master and we will keep a parallel track but attempting to keep the branch from diverging from the master.
 +
#* David has started  series of dedicated CPP software meetings, which will meet weekly on Thursdays at 12:30-1:30 pm.
 
# Plan for diamond simulations (Richard)
 
# Plan for diamond simulations (Richard)
 
# PID + AI
 
# PID + AI
 
#* Data for AI (Andrew)
 
#* Data for AI (Andrew)
 +
#* Working on implementing e+e- PID network into a factory. Need to use the measured momenta instead of kinematically fit values (since a reaction hypothesis may not available at the time PID is performed).
 
# MWPC Testing  
 
# MWPC Testing  
 
#* Move to Hall D
 
#* Move to Hall D
 
#* [https://logbooks.jlab.org/book/hdfmwpc FMWPC Log Book]
 
#* [https://logbooks.jlab.org/book/hdfmwpc FMWPC Log Book]
 +
#* Elton: Arwen was retested with a banana plug on the ground of the LV cable. Noise levels of the order of 400 counts are still visible.
 +
#* All MWPCs have been moved to the hall. We will need to reinvestigate the noise levels in situ.
 +
#* Elton and Ilya will setup the gas purging (4 hours) and HV on each chamber (1000 V) to check for any broken wires during the move.
 +
#* There was quite a bit of discussion about how to handle the noise on the chambers. David: One option might be to readout the MWPCs in raw mode (as we did for TPOL) if the rate is sufficiently low.
 
# [[CPP and NPP Experiment Configuration]]
 
# [[CPP and NPP Experiment Configuration]]
 
# CPP-NPP trigger
 
# CPP-NPP trigger
 
#* [[Media:FP scint trigger.png | FP scintillator trigger]]
 
#* [[Media:FP scint trigger.png | FP scintillator trigger]]
 
# DAQ and Electronic Setup (Sergey and Beni)
 
# DAQ and Electronic Setup (Sergey and Beni)
 +
#* Beni is trying to organize access to the DAQ this spring. Elton: need to make sure that there is the time for MWPCs testing.
 +
#* Sergey is setting up the the DAQ for MWPCs that can be moved to the integrated Hall D DAQ system.
 
# Software consolidation (Mark and Simon)
 
# Software consolidation (Mark and Simon)
 
# CPP Simulations
 
# CPP Simulations
 
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5432 Pi/mu multiplicities] (Elton)
 
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5432 Pi/mu multiplicities] (Elton)
 
# Other business
 
# Other business
 +
#* Mark announced that he will be retiring in April.
 
# Next meeting
 
# Next meeting

Revision as of 17:04, 2 February 2022

Meeting Time And Location

09:30 EST (JLab time) Weekly Meeting

REMOTE during Covid-19

Connecting

Join ZoomGov Meeting
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Meeting ID: 160 862 8791
Passcode: CPP 

Elton Smith is inviting you to a scheduled ZoomGov meeting.

Topic: CPP Weekly Meeting
Time: This is a recurring meeting Meet anytime

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Passcode: CPP
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Action Items

  1. Review CPP test run for rates (Ilya) and check with Sasha on steps for "replay"
  2. Richard will present a plan for simulating the enhancement and polarization for a given electron beam on a given area of JD103
  3. Options for front-panel trigger based on CPP Scintillators (Beni)

Preliminary Agenda

  1. Previous CPP meeting: Jan 26, 2022
  2. Announcements
    • Paper submitted to arXiv "Photoproduction of pion pairs at high energy and small angles"
    • Letter from the director: "...our colleague and friend, Javier Gomez, passed away tragically on Saturday, Jan. 29."
  3. Action Items
  4. Software/Calibration for CPP (David, Alex and Sean)
  5. Plan for diamond simulations (Richard)
  6. PID + AI
    • Data for AI (Andrew)
  7. MWPC Testing
  8. CPP and NPP Experiment Configuration
  9. CPP-NPP trigger
  10. DAQ and Electronic Setup (Sergey and Beni)
  11. Software consolidation (Mark and Simon)
  12. CPP Simulations
  13. Other business
  14. Next meeting

Minutes

Attending: Albert, David L., Rory. Alex, Andrew, Beni, David H., Ilya, Mark, Sergey, Elton, Simon

  1. Previous CPP meeting: Jan 26, 2022
  2. Announcements
    • Paper submitted to arXiv "Photoproduction of pion pairs at high energy and small angles"
    • Letter from the director: "...our colleague and friend, Javier Gomez, passed away tragically on Saturday, Jan. 29."
  3. Action Items
  4. Software/Calibration for CPP (David, Alex and Sean)
    • DFMWPCMatchedTrack
    • Quite a few updates: Simon has updated software projecting tracks to various detectors including Fcal, Fmwpc and new scintillators.
    • Studying how to include MWPC hits into PID algorithms.
    • David is updating the event viewer to hdview2 for a new window for the MWPC.
    • Simon: working on hdgeant4 to emulate the deposited charge, which is presently missing (q instead of dE)
    • Mark: The CPP branch has been merged into the master and we will keep a parallel track but attempting to keep the branch from diverging from the master.
    • David has started series of dedicated CPP software meetings, which will meet weekly on Thursdays at 12:30-1:30 pm.
  5. Plan for diamond simulations (Richard)
  6. PID + AI
    • Data for AI (Andrew)
    • Working on implementing e+e- PID network into a factory. Need to use the measured momenta instead of kinematically fit values (since a reaction hypothesis may not available at the time PID is performed).
  7. MWPC Testing
    • Move to Hall D
    • FMWPC Log Book
    • Elton: Arwen was retested with a banana plug on the ground of the LV cable. Noise levels of the order of 400 counts are still visible.
    • All MWPCs have been moved to the hall. We will need to reinvestigate the noise levels in situ.
    • Elton and Ilya will setup the gas purging (4 hours) and HV on each chamber (1000 V) to check for any broken wires during the move.
    • There was quite a bit of discussion about how to handle the noise on the chambers. David: One option might be to readout the MWPCs in raw mode (as we did for TPOL) if the rate is sufficiently low.
  8. CPP and NPP Experiment Configuration
  9. CPP-NPP trigger
  10. DAQ and Electronic Setup (Sergey and Beni)
    • Beni is trying to organize access to the DAQ this spring. Elton: need to make sure that there is the time for MWPCs testing.
    • Sergey is setting up the the DAQ for MWPCs that can be moved to the integrated Hall D DAQ system.
  11. Software consolidation (Mark and Simon)
  12. CPP Simulations
  13. Other business
    • Mark announced that he will be retiring in April.
  14. Next meeting
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