Feb 14, 2012 Calorimetry

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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. Monitoring
    • Send additional SiPMs to Athens for tests (Elton). Electronics is out for fabrication
  2. TDR
    • Create outline to assign writing homework (Elton)

Draft outline

Existing (old) outline

  1. Global Design
  2. Forward Calorimeter
    • The E852 Experience
    • The RadPhi Experience
    • Estimating the GlueX pi0 and eta Mass Resolution
    • Electromagnetic Backgrounds
    • Radiation Damage
    • Heat Curing of Damaged Blocks
    • Assessing Lead Glass Blocks and PMT's
      • Lead glass block evaluation
      • PMT Evaluation
    • Other Issues
      • Electromagnetic Rates in the LGD
      • Magnetic Shielding
      • Monitoring
      • Calibration
      • Triggering
  3. Barrel Calorimeter
    • Design Considerations
    • Pb/Sci Barrel Calorimeter
    • The GlueX BCAL
    • Construction of Prototype Modules
      • Production of Lead Sheets
      • Module Construction
    • Scintillating Fiber Tests
    • Fiber Light Transmission Tests
    • Silicon Photomultiplier Test
  4. Upstream Photon Veto

Proposed outline for revised section

  1. Global Design
  2. Forward Calorimeter
    1. Geometry
    2. Lead Glass Modules
      • Lead glass
      • Photomultiplier tubes
      • Light guide design
      • Module assembly
    3. Support structure
      • Stacking
    4. Calibration
    5. Monitoring
    6. Triggering
    7. Expected Performance
      • The E852 Experience
      • The RadPhi Experience
      • Background, lifetime and rates
      • Energy and time resolution
      • Mass resolution (+ other physics quantities)
  3. Barrel Calorimeter
    1. Geometry
    2. BCAL Module construction
      • Scintillating fibers
      • Lead
      • Fabrication
    3. Readout
      • SiPMs
      • Operation (e.g. temp compensation etc)
    4. Calibration
    5. Monitoring
    6. Expected Performance
      • Prototypes and tests
      • Background, lifetime and rates
      • Energy and time resolution
      • Mass resolution (+ other physics quantities)

Tentative Agenda

  1. Announcements
  2. Review of Action Items
  3. Collaboration Meeting
    1. Friday at 2:30pm, 4 30 minute talks.
  4. Monitoring.
  5. FCAL
    1. Construction Status: mechanical, bases (notes from Matt)
    2. Beam tests in Hall B (John)
  6. BCAL
    1. BCAL Beam Tests 2012
  7. USM update
    1. Run manager report (Javiera)
    2. Update on Station 3 (Hayk)
  8. TDR update
    1. Instructions for the TDR (You must be logged into the wiki to access this page).
    2. We need to start revising Chapter 4 Detector, Section 4.3 Calorimetry. See above for old and new proposed outlines.
  9. Simulations/Reconstruction
  10. Any other business

Minutes

Attending: Tim, John, Elton, David, Yi, Beni (JLab); George, Pavols, Christine (Athens); Zisis, George (UofR); Hayk, Will, Orlando, Javiera (USM).


  1. Announcements
  2. Review of Action Items
  3. Collaboration Meeting
    1. Friday at 2:30pm, 4 30 minute talks.
  4. Monitoring.
  5. FCAL
    1. Construction Status: mechanical, bases (notes from Matt)
    2. Beam tests in Hall B (John)
  6. BCAL
    1. BCAL Beam Tests 2012
  7. USM update
    1. Run manager report (Javiera)
    2. Update on Station 3 (Hayk)
  8. TDR update
    1. Instructions for the TDR (You must be logged into the wiki to access this page).
    2. We need to start revising Chapter 4 Detector, Section 4.3 Calorimetry. See above for old and new proposed outlines.
  9. Simulations/Reconstruction
  10. Any other business