Difference between revisions of "Aug 20, 2020 Calorimeter"

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### Dark rate (SiPM) study update (Varun) [https://halldweb.jlab.org/wiki/images/2/21/Darkrate_study_%283%29.pdf]
 
### Dark rate (SiPM) study update (Varun) [https://halldweb.jlab.org/wiki/images/2/21/Darkrate_study_%283%29.pdf]
 
## BCAL (offline)
 
## BCAL (offline)
###Brief monitoring update, batches 5-8 "redo" (Tolga)
+
###Brief monitoring update, batches 5-8 "redo" (Tolga) [https://halldweb.jlab.org/DocDB/0046/004630/001/20200820.pdf
 
## FCAL (offline) [https://halldweb.jlab.org/wiki/images/8/84/FCAL_monitoring_V.pdf FCAL monitoring V] (Su)(I put this here but cannot present due to remote shift)
 
## FCAL (offline) [https://halldweb.jlab.org/wiki/images/8/84/FCAL_monitoring_V.pdf FCAL monitoring V] (Su)(I put this here but cannot present due to remote shift)
 
# Calibration
 
# Calibration

Revision as of 12:06, 20 August 2020

Meeting Time: 11:00 a.m. JLab time

  1. To join via a Web Browser, go to the page [1] https://bluejeans.com/907185247.
  2. To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 907185247.
  3. To join via phone, use one of the following numbers and the Conference ID: 907185247.
    • US or Canada: +1 408 740 7256 or
    • US or Canada: +1 888 240 2560
  4. Upon connection all microphones are automatically muted. To unmute your mike on a Polycom or equivalent unit, enter *4. Unmuting on a computer is trivial as there is a microphone button than can be clicked.
  5. More information on connecting to bluejeans is available.

Participant Direct Lines

  • JLab Phone in CC L207 is 757-269-7084 (usual room)
  • JLab Phone: in CC F326 is 757-269-6460
  • Phone in the Regina Video-conference Suite is 306-585-4204
  • Athens Phone: in Christina's office is 011-30-210-727-6947

References

  1. FCAL HDFCAL log book
  2. BCAL HDBCAL log book
  3. Calibrations: 2020 Data Production; RunPeriod-2019-11 Validation; Offline Monitoring Data Validation

Goals for Calorimetry Group

  1. Determine preliminary photon reconstruction efficiencies as a function of E, phi and theta in data and simulation with a point-to-point precision of at least 5%.
  2. Measure systematics of pi0/eta mass calibration as a function of detector position to a precision of at least 5 MeV.
  3. Demonstrate agreement of photon reconstruction efficiency and resolution between data and simulation as a function of E, phi and theta to within 5%.

Action Items

  1. Short term
    1. Richard Jones' work on G3vG4: run photon, pi+, pi-, proton particle guns. Who?
    2. Efficiency study: model mass and t-distributions
    3. Hadronic split off studies
    4. Covariance matrices for photons; should be redone.
    5. BCAL Wiki reorganization -> All
  2. Long term items
  3. Complete Calorimeter work packages

Tentative Agenda

  1. Announcements
  2. Action Items
  3. Run Update
    1. FCAL
    2. BCAL
  4. Monitoring
    1. BCAL LED
      1. BCAL LED Monitoring fall 2018 (Sarah)[2]
      2. Dark rate (SiPM) study update (Varun) [3]
    2. BCAL (offline)
      1. Brief monitoring update, batches 5-8 "redo" (Tolga) [https://halldweb.jlab.org/DocDB/0046/004630/001/20200820.pdf
    3. FCAL (offline) FCAL monitoring V (Su)(I put this here but cannot present due to remote shift)
  5. Calibration
  6. Efficiency
  7. Reconstruction
  8. Simulations
    1. Log Entry 3830769 Hadronic Efficiencies (Elton)
      • CCDB: BCAL/channel_mc_efficiency
      • M22U S3 L4, eff=0 R72120-72435
      • M37D S4 L1, eff=0 R72316-72369
  9. Any other business

Minutes

Attending: