Difference between revisions of "Π polarizability Meeting Feb 2, 2022"
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# Review CPP test run for rates (Ilya) and check with Sasha on steps for "replay" | # Review CPP test run for rates (Ilya) and check with Sasha on steps for "replay" | ||
− | # Richard will present a plan for simulating the enhancement and polarization for a given electron beam on a given area of JD103 | + | # <strike> Richard will present a plan for simulating the enhancement and polarization for a given electron beam on a given area of JD103. </strike> Presented at the beamline meeting |
− | # Options for front-panel trigger based on CPP Scintillators (Beni) | + | # <strike> Options for front-panel trigger based on CPP Scintillators (Beni) </strike> Elton presented a scheme and Beni has looked into hardware. |
== Preliminary Agenda == | == Preliminary Agenda == | ||
Line 58: | Line 58: | ||
# Announcements | # Announcements | ||
#* [https://arxiv.org/abs/2201.09923 Paper submitted to arXiv] "Photoproduction of pion pairs at high energy and small angles" | #* [https://arxiv.org/abs/2201.09923 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." | ||
# Action Items | # Action Items | ||
# Software/Calibration for CPP (David, Alex and Sean) | # Software/Calibration for CPP (David, Alex and Sean) | ||
Line 69: | Line 70: | ||
# [[CPP and NPP Experiment Configuration]] | # [[CPP and NPP Experiment Configuration]] | ||
# CPP-NPP trigger | # CPP-NPP trigger | ||
− | # Electronic | + | #* [[Media:FP scint trigger.png | FP scintillator trigger]] |
+ | # DAQ and Electronic Setup (Sergey and Beni) | ||
# Software consolidation (Mark and Simon) | # Software consolidation (Mark and Simon) | ||
# CPP Simulations | # CPP Simulations | ||
Line 77: | Line 79: | ||
== Minutes == | == Minutes == | ||
− | ''Attending: | + | ''Attending: Albert, David L., Rory. Alex, Andrew, Beni, David H., Ilya, Mark, Sergey, Elton, Simon |
+ | |||
+ | # Previous CPP meeting: [[%CE%A0_polarizability_Meeting_Jan_26,_2022|Jan 26, 2022]] | ||
+ | # Announcements | ||
+ | #* [https://arxiv.org/abs/2201.09923 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." | ||
+ | # Action Items | ||
+ | # Software/Calibration for CPP (David, Alex and Sean) | ||
+ | #* [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) | ||
+ | # 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). | ||
+ | # MWPC Testing | ||
+ | #* Move to Hall D | ||
+ | #* [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. | ||
+ | # FADC125 format | ||
+ | #* [https://halldweb.jlab.org/DocDB/0022/002274/010/fADC125_DataFormat_v10.pdf Specification]. See especially Fig. 1. | ||
+ | # [[CPP and NPP Experiment Configuration]] | ||
+ | # CPP-NPP trigger | ||
+ | #* [[Media:FP scint trigger.png | FP scintillator trigger]] | ||
+ | # 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) | ||
+ | # CPP Simulations | ||
+ | #* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5432 Pi/mu multiplicities] (Elton) | ||
+ | # Other business | ||
+ | #* Mark announced that he will be retiring in April. | ||
+ | # Next meeting |
Latest revision as of 18:09, 2 February 2022
Meeting Time And Location
09:30 EST (JLab time) Weekly Meeting
REMOTE during Covid-19
Connecting
Join ZoomGov Meeting
https://jlab-org.zoomgov.com/j/1608628791?pwd=bXhtZjdNRi8xeXZqWFh5T1R3TDBFdz09
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 Join ZoomGov Meeting https://jlab-org.zoomgov.com/j/1608628791?pwd=bXhtZjdNRi8xeXZqWFh5T1R3TDBFdz09 Meeting ID: 160 862 8791 Passcode: CPP One tap mobile +16692545252,,1608628791# US (San Jose) +16468287666,,1608628791# US (New York) Dial by your location +1 669 254 5252 US (San Jose) +1 646 828 7666 US (New York) +1 669 216 1590 US (San Jose) +1 551 285 1373 US 833 568 8864 US Toll-free Meeting ID: 160 862 8791 Find your local number: https://jlab-org.zoomgov.com/u/acZK7hDWFf Join by SIP 1608628791@sip.zoomgov.com Join by H.323 161.199.138.10 (US West) 161.199.136.10 (US East) Meeting ID: 160 862 8791 Passcode: 112160
Action Items
- Review CPP test run for rates (Ilya) and check with Sasha on steps for "replay"
-
Richard will present a plan for simulating the enhancement and polarization for a given electron beam on a given area of JD103.Presented at the beamline meeting -
Options for front-panel trigger based on CPP Scintillators (Beni)Elton presented a scheme and Beni has looked into hardware.
Preliminary Agenda
- Previous CPP meeting: Jan 26, 2022
- 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."
- Action Items
- Software/Calibration for CPP (David, Alex and Sean)
- Plan for diamond simulations (Richard)
- PID + AI
- Data for AI (Andrew)
- MWPC Testing
- Move to Hall D
- FMWPC Log Book
- CPP and NPP Experiment Configuration
- CPP-NPP trigger
- DAQ and Electronic Setup (Sergey and Beni)
- Software consolidation (Mark and Simon)
- CPP Simulations
- Pi/mu multiplicities (Elton)
- Other business
- Next meeting
Minutes
Attending: Albert, David L., Rory. Alex, Andrew, Beni, David H., Ilya, Mark, Sergey, Elton, Simon
- Previous CPP meeting: Jan 26, 2022
- 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."
- Action Items
- 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.
- Plan for diamond simulations (Richard)
- 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).
- 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.
- FADC125 format
- Specification. See especially Fig. 1.
- CPP and NPP Experiment Configuration
- CPP-NPP trigger
- 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)
- CPP Simulations
- Pi/mu multiplicities (Elton)
- Other business
- Mark announced that he will be retiring in April.
- Next meeting