Difference between revisions of "July 29, 2010 Readout"

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(Minutes)
(Minutes)
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= Minutes =
 
= Minutes =
Attendees: Yi, Fernando, Beni, John, Elton, Eugene, Chuck (JLab); Matt, Dan (IU); Andrei, George (UofR).
+
Attendees: Yi, Fernando, Beni, John, Elton, Eugene, Chuck (JLab); Matt, Dan (IU); Andrei, George (UofR); Pedro (USM).
  
 
# Announcements
 
# Announcements
 
# Review of Action Items
 
# Review of Action Items
 
# Bcal thresholds and resolution at low energies ([http://dustbunny.physics.indiana.edu/~mashephe/bcal_dkrate.pdf PDF Slides]) (Matt)
 
# Bcal thresholds and resolution at low energies ([http://dustbunny.physics.indiana.edu/~mashephe/bcal_dkrate.pdf PDF Slides]) (Matt)
 +
#* Model resolutions using MC reconstruction
 +
#* Use old geometry (no summing, inner segments SiPMs, outer segments FM pmts)
 +
#* Optimistic, since summing will likely degrade performance. Dan is implementing the new scheme and will rerun programs when complete.
 +
#* New normalization comes from Andrei, corresponds to 165 photons/MeV in fiber/side compared to nominal 75 photons/MeV in fiber/side.
 +
#* Results show that a factor of 10 increase in dark current changes resolution sigma by about a factor of 2.
 
# [[SiPM Radiation Hardness Test]]  (Update from Yi)
 
# [[SiPM Radiation Hardness Test]]  (Update from Yi)
 
# Geometry  
 
# Geometry  
Line 44: Line 49:
 
# [http://www.jlab.org/~huttonc/HAMSEAT.pptx SiPM positioning] (Chuck)
 
# [http://www.jlab.org/~huttonc/HAMSEAT.pptx SiPM positioning] (Chuck)
 
# Update - USM
 
# Update - USM
#* Status of statement of work (SOW)
+
#* No report.
 
# Simulation runs
 
# Simulation runs
 
# Cosmic-ray setup at UofR
 
# Cosmic-ray setup at UofR
 
# Light guides
 
# Light guides

Revision as of 13:58, 29 July 2010

Teleconference Time: 11:00 a.m. EST

  • ESNET and EVO session
  • Phone in CC L207 is 757-269-7084
  • Phone:
    • +1-800-377-8846 : US
    • +1-888-276-7715 : Canada
    • +1-302-709-8424 : International
    • then enter participant code: 77438230# (remember the "#"). Phone connection only upon request.

Items for followup from previous meeting

  1. Testing goals and setup (Serguei)
  2. Will to find out if there is any feedback from USM on terms and conditions from our procurement package.
  3. Will to update statement of work for USM contract and develop detailed schedule.
  4. Collect this information of testing on the wiki for ease of presenting information. (USM)

Documents to Review

Tentative Agenda

  1. Announcements
  2. Review of Action Items
  3. Bcal thresholds and resolution at low energies (PDF Slides) (Matt)
  4. SiPM Radiation Hardness Test (Update from Yi)
  5. Geometry
  6. Light Guide Gluing (Chuck)
  7. SiPM positioning (Chuck)
  8. Update - USM
    • Status of statement of work (SOW)
  9. Simulation runs
  10. Cosmic-ray setup at UofR
  11. Light guides

Minutes

Attendees: Yi, Fernando, Beni, John, Elton, Eugene, Chuck (JLab); Matt, Dan (IU); Andrei, George (UofR); Pedro (USM).

  1. Announcements
  2. Review of Action Items
  3. Bcal thresholds and resolution at low energies (PDF Slides) (Matt)
    • Model resolutions using MC reconstruction
    • Use old geometry (no summing, inner segments SiPMs, outer segments FM pmts)
    • Optimistic, since summing will likely degrade performance. Dan is implementing the new scheme and will rerun programs when complete.
    • New normalization comes from Andrei, corresponds to 165 photons/MeV in fiber/side compared to nominal 75 photons/MeV in fiber/side.
    • Results show that a factor of 10 increase in dark current changes resolution sigma by about a factor of 2.
  4. SiPM Radiation Hardness Test (Update from Yi)
  5. Geometry
  6. Light Guide Gluing (Chuck)
  7. SiPM positioning (Chuck)
  8. Update - USM
    • No report.
  9. Simulation runs
  10. Cosmic-ray setup at UofR
  11. Light guides