Difference between revisions of "Sep 11, 2012 Calorimetry"

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#* Ready to ship out 20 strings.
 
#* Ready to ship out 20 strings.
 
#* Checking LED output with integrating light meter close to LED.  Repeatability of measurements is very good.
 
#* Checking LED output with integrating light meter close to LED.  Repeatability of measurements is very good.
−
# FCAL
+
# FCAL - Construction Status [http://dustbunny.physics.indiana.edu/~mashephe/photos/fcal_photos.pdf Photos]
−
## Construction Status [http://dustbunny.physics.indiana.edu/~mashephe/photos/fcal_photos.pdf Photos]
+
## Frame almost done and ready to ship
 +
## Question to Tim: Problems with making light tight. Should we keep structure at IU and make reasonable modifications? Yes
 +
## Tim, John and Matt iterated on the dark room design
 +
##* Plan to use hard plastic for the front wall. Use hard plastic gluing with large overlaps of material for rigidity and light tightness
 +
## Fcal power system shown in photos
 +
##* One of four control chassis to power the bases, each powering 700 bases and using 7 of 8 connectors
 +
## Bases.
 +
##* Have tested all the ones that are in house. Fixing the couple of percent failures (mostly HV caps)
 +
##* Waiting for final shipment of reworked bases from the company
 +
## Eugene: How much time does it take to assemble one module? Answer: about 5 min/module for the beam test, but budgeted about 45 min /person/module in entire assembly to account for collecting material and placing blocks into array.
 +
## Platform (Tim)
 +
##* The downstream platform is ready
 +
##*
 +
##*
 
# BCAL
 
# BCAL
 
## Activities at JLab
 
## Activities at JLab

Revision as of 15:37, 11 September 2012

Teleconference Time: 11:00 a.m. EST

  • ESNET (Number is 8542553) and EVO session (GlueX Calorimetry meeting room)
  • Phone connection only upon request.
    • +1-866-740-1260 : US+Canada
    • +1-303-248-0285 : International
    • then enter participant code: 3421244# (remember the "#").
    • or www.readytalk.com (and code without the #)

Participant Direct Lines

  • JLab Phone: in CC F326 is 757-269-6337 (usual room)
  • JLab Phone in CC L207 is 757-269-7084
  • Phone in the Regina Videoconference Suite is 306-585-4204
  • Athens Phone: in Christina's office is 011-30-210-727-6947


Items for followup from previous meeting(s)

  1. TDR:
    • Zisis to check in his working version to allow others to participate. Not checked in yet: Expected Performance and Monitoring.
    • Elton will work on the Bcal readout section Checked in initial draft
    • The Fcal section is completely independent and Matt can coordinate this.

Tentative Agenda

  1. Announcements
  2. Review of Action Items
  3. Talks at the Collaboration Meeting
  4. Monitoring
  5. FCAL
    1. Construction Status Photos
  6. BCAL
    1. Activities at JLab
    2. SiPM Resolution with Laser (Shaun) Media:SiPM-Laser_20120911.pdf
    3. SiPM Cosmics on Construction Module (Tegan) Media:CosmicsR.pdf
  7. USM update
    1. SiPM Update (Javiera)
  8. TDR update
    1. Instructions for the TDR (You must be logged into the wiki to access this page).
    2. See Feb 14, 2012 Calorimetry Meeting
  9. Calibration of Calorimeters
  10. Simulations/Reconstruction
  11. Any other business

Minutes

Attending: Elton, Dan, David, Yi, Beni, Tim, Eugene (JLab); Javiera, Will, Alam (USM); George, Christina, Stratos (Athens); Matt (IU); Zisis, Shawn, Tegan, Andrei (UofR).

  1. Announcements
  2. Review of Action Items
  3. Talks at the Collaboration Meeting
    • Fcal (Matt)
    • UofR work (Zisis)
    • Monitoring (Christina if available)
    • USM one or two talks? -MPPC / light guides- (Hayk?)
  4. Monitoring
    • Media:BCAL results from first 20 strips 11 09 2012.pdf
    • Tested 400 LEDs. Selected 200 LEDs for the first 20 strings
    • Output of 200 LEDs are within about 25%
    • Ready to ship out 20 strings.
    • Checking LED output with integrating light meter close to LED. Repeatability of measurements is very good.
  5. FCAL - Construction Status Photos
    1. Frame almost done and ready to ship
    2. Question to Tim: Problems with making light tight. Should we keep structure at IU and make reasonable modifications? Yes
    3. Tim, John and Matt iterated on the dark room design
      • Plan to use hard plastic for the front wall. Use hard plastic gluing with large overlaps of material for rigidity and light tightness
    4. Fcal power system shown in photos
      • One of four control chassis to power the bases, each powering 700 bases and using 7 of 8 connectors
    5. Bases.
      • Have tested all the ones that are in house. Fixing the couple of percent failures (mostly HV caps)
      • Waiting for final shipment of reworked bases from the company
    6. Eugene: How much time does it take to assemble one module? Answer: about 5 min/module for the beam test, but budgeted about 45 min /person/module in entire assembly to account for collecting material and placing blocks into array.
    7. Platform (Tim)
      • The downstream platform is ready
  6. BCAL
    1. Activities at JLab
    2. SiPM Resolution with Laser (Shaun) Media:SiPM-Laser_20120911.pdf
    3. SiPM Cosmics on Construction Module (Tegan) Media:CosmicsR.pdf
  7. USM update
    1. SiPM Update (Javiera)
  8. TDR update
    1. Instructions for the TDR (You must be logged into the wiki to access this page).
    2. See Feb 14, 2012 Calorimetry Meeting
  9. Calibration of Calorimeters
  10. Simulations/Reconstruction
  11. Any other business


Attendees:

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