Difference between revisions of "Π polarizability Meeting Oct 20, 2021"

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== Action Items ==
 
== Action Items ==
  
−
# Follow up on procurement for electronic enclosures.
+
# <strike> Follow up on procurement for electronic enclosures. </strike> Elton has responded to procurement for approval.
 
# Develop a plan for beam TOF trigger tests
 
# Develop a plan for beam TOF trigger tests
  
−
== Preliminary Agenda  for CPP Software Meeting ==
+
== Experiment Updates ==
 
# Previous CPP meeting: [[&pi; polarizability Meeting Oct 13, 2021|Oct 13, 2021]]
 
# Previous CPP meeting: [[&pi; polarizability Meeting Oct 13, 2021|Oct 13, 2021]]
 
# Announcements
 
# Announcements
 
# Action Items
 
# Action Items
−
# Overview / refresher (Elton)
+
# MWPC Testing
 +
#* [https://logbooks.jlab.org/book/hdfmwpc FMWPC Log Book]
 +
#* [https://logbooks.jlab.org/entry/3927634 Arwen]
 +
#* [https://logbooks.jlab.org/entry/3927635 Bilbo]
 +
#* [https://logbooks.jlab.org/entry/3928417 Celeborn]
 +
# Discussion of TOF trigger tests with beam
 +
# GlueX Data Analysis
 +
# CPP Simulations
 +
# Other business
 +
# Next meeting
 +
 
 +
== Preliminary Agenda  for CPP Software Meeting ==
 +
# Previous CPP meeting: [[&pi; polarizability Meeting Oct 13, 2021|Oct 13, 2021]]
 +
# Announcements
 +
# [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4898 Overview / refresher] (Elton)
 
# Electronics/DAQ modifications (Discussion)
 
# Electronics/DAQ modifications (Discussion)
 
# Configuration changes
 
# Configuration changes
Line 56: Line 70:
 
## Trigger (TOF + calorimeter)
 
## Trigger (TOF + calorimeter)
 
## New Detector (MWPCs)
 
## New Detector (MWPCs)
−
##  
+
## Microscope move (Coherent peak at 6 GeV)
 
# Software
 
# Software
 
## Simulation (hdgeant4)
 
## Simulation (hdgeant4)
 
## Trigger simulation / monitoring
 
## Trigger simulation / monitoring
 +
## Single block "showers" in FCAL
 +
## [https://halldweb1.jlab.org/wiki/images/a/a5/Cpp_tracking.pdf Tracking] (upstream vertex + FMWPCs)
 
## Calibrations
 
## Calibrations
 
##* charged particle vertex reconstruction
 
##* charged particle vertex reconstruction
Line 65: Line 81:
 
##* Track/hit matching
 
##* Track/hit matching
 
##* CCDB entries for the reconfigured tagger
 
##* CCDB entries for the reconfigured tagger
−
## Single block "showers" in FCAL
 
 
## PID and AI  
 
## PID and AI  
 
# Other business
 
# Other business
Line 71: Line 86:
  
 
== Minutes ==
 
== Minutes ==
−
'' Attending:
+
'' Attending: Albert, Alex, Andrew, Beni, David H., David L. Greg, Ebode, Ilya, Mark, Nikhil, Rory, Sean
 +
 
 +
== Experiment Updates ==
 +
# Previous CPP meeting: [[&pi; polarizability Meeting Oct 13, 2021|Oct 13, 2021]]
 +
# Announcements
 +
#* PRIMEX completes data taking in two weeks.
 +
# Action Items
 +
#* Elton has sent approval for payment of electronic enclosures to procurement.
 +
# MWPC Testing
 +
#* [https://logbooks.jlab.org/book/hdfmwpc FMWPC Log Book]
 +
#* [https://logbooks.jlab.org/entry/3927634 Arwen]
 +
#** Scintillators misbehaving in this data set. Perhaps miscabling? MWPC looks good.
 +
#* [https://logbooks.jlab.org/entry/3927635 Bilbo]
 +
#* [https://logbooks.jlab.org/entry/3928417 Celeborn]
 +
#* Rory: May consider mounting scintillators perpendicular to wire planes in the actual experiment. Will discuss this with Tim at design meeting.
 +
# Discussion of TOF trigger tests with beam
 +
#* Ilya: need to take data with random trigger and also with the TOF trigger. No specific advantages of taking during PRIMEX or SRC experiment.
 +
#* We will develop ideas offline and get some feedback from Sasha about options.
 +
# GlueX Data Analysis
 +
# CPP Simulations
 +
# Other business
 +
# Next meeting
 +
 
 +
== CPP Software Meeting ==
 +
# Previous CPP meeting: [[&pi; polarizability Meeting Oct 13, 2021|Oct 13, 2021]]
 +
# Announcements
 +
# [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4898 Overview / refresher] (Elton)
 +
# Electronics/DAQ modifications (Discussion)
 +
# Configuration changes
 +
## Target (Pb upstream)
 +
## Trigger (TOF + calorimeter)
 +
## New Detector (MWPCs)
 +
##* Need to add efficiency scintillators both to the hdgeant4 model as well as find a home in the electronics.
 +
## Microscope move (Coherent peak at 6 GeV)
 +
## Beni: Need to think about how the reduced rate in the PS will affect the flux determination. The B-field in the PS must be adjusted to cover the coherent peak.
 +
# Data Objects (David)
 +
## Translation table from electronic crate into physical ids. Sean "volunteered" to do this.
 +
## Calibrated hits. Take raw hits and covert to (time, amplitude, pulse integral, position). Alex was "volunteered" to do this.
 +
##* There was some discussion about which format (CDC vs FDC) would be used. We are currently using the CDC format in the test data, which provides integral and peak, This is likely our best choice.
 +
## Clusterizers
 +
##* Simon: Presently matching tracks is done by creating lists of associated information with DChargedTrack objects. This does not require additional objects and is consistent with other detectors.
 +
# Software
 +
## Simulation (hdgeant4)
 +
## Trigger simulation / monitoring
 +
## Single block "showers" in FCAL
 +
## [https://halldweb1.jlab.org/wiki/images/a/a5/Cpp_tracking.pdf Tracking] (upstream vertex + FMWPCs) (Simon)
 +
##* Extrapolation of tracks to the FMWPCs is working and in the master
 +
##* Separate git branch contains matching of tracks to single-hits in FCAL. Elton: Do the single hits include pairs that do not form showers? Simon: Loop is over all hits not in showers, so probably it does, but will check.
 +
##* New list of track matches to single FCAL hits created into REST format. Sean: Should review this decision to separate lists of matching hits to a) showers and b) single-hits, because (b) may be generally useful to other programs.
 +
## Calibrations
 +
##* charged particle vertex reconstruction
 +
##* RF bunch identification at the CPP target
 +
##* Track/hit matching
 +
##* CCDB entries for the reconfigured tagger
 +
## PID and AI
 +
# Other business
 +
# Next meeting

Latest revision as of 12:00, 20 October 2021

Meeting Time And Location

09:30 EST (JLab time) Weekly Meeting

REMOTE during Covid-19

Connecting

You can connect using BlueJeans Video conferencing (ID: 949 429 419). (Click "Expand" to the right for details -->):

  1. Make sure you have created a BlueJeans account via your JLab CUE account using this link:

  2. Meeting ID: 949 429 419
    • (you may need to type this in, depending how you connect)

  3. If connecting via Web Browser: click this link (no passcode is needed):

  4. If connecting via iOS or Android App:
    • Use your JLab e-mail address to log in and then enter the meeting ID given above to join the meeting

  5. If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"

  6. If connecting via Polycom unit:
    • Dial 199.48.152.152 or bjn.vc
    • Enter meeting ID above



Action Items

  1. Follow up on procurement for electronic enclosures. Elton has responded to procurement for approval.
  2. Develop a plan for beam TOF trigger tests

Experiment Updates

  1. Previous CPP meeting: Oct 13, 2021
  2. Announcements
  3. Action Items
  4. MWPC Testing
  5. Discussion of TOF trigger tests with beam
  6. GlueX Data Analysis
  7. CPP Simulations
  8. Other business
  9. Next meeting

Preliminary Agenda for CPP Software Meeting

  1. Previous CPP meeting: Oct 13, 2021
  2. Announcements
  3. Overview / refresher (Elton)
  4. Electronics/DAQ modifications (Discussion)
  5. Configuration changes
    1. Target (Pb upstream)
    2. Trigger (TOF + calorimeter)
    3. New Detector (MWPCs)
    4. Microscope move (Coherent peak at 6 GeV)
  6. Software
    1. Simulation (hdgeant4)
    2. Trigger simulation / monitoring
    3. Single block "showers" in FCAL
    4. Tracking (upstream vertex + FMWPCs)
    5. Calibrations
      • charged particle vertex reconstruction
      • RF bunch identification at the CPP target
      • Track/hit matching
      • CCDB entries for the reconfigured tagger
    6. PID and AI
  7. Other business
  8. Next meeting

Minutes

Attending: Albert, Alex, Andrew, Beni, David H., David L. Greg, Ebode, Ilya, Mark, Nikhil, Rory, Sean

Experiment Updates

  1. Previous CPP meeting: Oct 13, 2021
  2. Announcements
    • PRIMEX completes data taking in two weeks.
  3. Action Items
    • Elton has sent approval for payment of electronic enclosures to procurement.
  4. MWPC Testing
    • FMWPC Log Book
    • Arwen
      • Scintillators misbehaving in this data set. Perhaps miscabling? MWPC looks good.
    • Bilbo
    • Celeborn
    • Rory: May consider mounting scintillators perpendicular to wire planes in the actual experiment. Will discuss this with Tim at design meeting.
  5. Discussion of TOF trigger tests with beam
    • Ilya: need to take data with random trigger and also with the TOF trigger. No specific advantages of taking during PRIMEX or SRC experiment.
    • We will develop ideas offline and get some feedback from Sasha about options.
  6. GlueX Data Analysis
  7. CPP Simulations
  8. Other business
  9. Next meeting

CPP Software Meeting

  1. Previous CPP meeting: Oct 13, 2021
  2. Announcements
  3. Overview / refresher (Elton)
  4. Electronics/DAQ modifications (Discussion)
  5. Configuration changes
    1. Target (Pb upstream)
    2. Trigger (TOF + calorimeter)
    3. New Detector (MWPCs)
      • Need to add efficiency scintillators both to the hdgeant4 model as well as find a home in the electronics.
    4. Microscope move (Coherent peak at 6 GeV)
    5. Beni: Need to think about how the reduced rate in the PS will affect the flux determination. The B-field in the PS must be adjusted to cover the coherent peak.
  6. Data Objects (David)
    1. Translation table from electronic crate into physical ids. Sean "volunteered" to do this.
    2. Calibrated hits. Take raw hits and covert to (time, amplitude, pulse integral, position). Alex was "volunteered" to do this.
      • There was some discussion about which format (CDC vs FDC) would be used. We are currently using the CDC format in the test data, which provides integral and peak, This is likely our best choice.
    3. Clusterizers
      • Simon: Presently matching tracks is done by creating lists of associated information with DChargedTrack objects. This does not require additional objects and is consistent with other detectors.
  7. Software
    1. Simulation (hdgeant4)
    2. Trigger simulation / monitoring
    3. Single block "showers" in FCAL
    4. Tracking (upstream vertex + FMWPCs) (Simon)
      • Extrapolation of tracks to the FMWPCs is working and in the master
      • Separate git branch contains matching of tracks to single-hits in FCAL. Elton: Do the single hits include pairs that do not form showers? Simon: Loop is over all hits not in showers, so probably it does, but will check.
      • New list of track matches to single FCAL hits created into REST format. Sean: Should review this decision to separate lists of matching hits to a) showers and b) single-hits, because (b) may be generally useful to other programs.
    5. Calibrations
      • charged particle vertex reconstruction
      • RF bunch identification at the CPP target
      • Track/hit matching
      • CCDB entries for the reconfigured tagger
    6. PID and AI
  8. Other business
  9. Next meeting
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