ecal lab measurements summer plans
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ECAL Lab measurements: summer plans . What we have Fully functionnal scan setup with electron gun 2 batches of 4 scintillators (already scanned) 4x 15x15 mm 2 (3M foil and reflective paint) 4x 20x20 mm 2 (3M foil and reflective paint) 15 naked scintilliators (not scanned) 5x 20x20 mm 2

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ecal lab measurements summer plans
ECAL Lab measurements: summer plans
  • What we have
    • Fully functionnal scan setup with electron gun
    • 2 batches of 4 scintillators (already scanned)
      • 4x 15x15 mm2 (3M foil and reflective paint)
      • 4x 20x20 mm2(3M foil and reflective paint)
    • 15 naked scintilliators (not scanned)
      • 5x 20x20 mm2
      • 5x 15x15 mm2
      • 5x 10x10 mm2
    • A few sheets of 3M relfective foil
    • Functionnal analysis software
ecal lab measurements summer plans1
ECAL Lab measurements: summer plans
  • What I would like to do
    • Re-scan some of the existing tiles (training)
    • Prepare new batches of scintillators
      • wrap some ourselves (need glue?)
      • paint some ourselves (need paint)
    • Scan new scintillators
    • Document full set of comparisons betwee sizes and light-containment solutions
      • How much light do we collect?
      • How uniform is the response?
ecal lab measurements summer plans2
ECAL Lab measurements: summer plans
  • What we have started doing
    • Hardware
      • re-cabled the entire setup (training)
      • re-aligned electron gun with trigger
      • check that signals are ok on the oscilloscope
      • Note: gun was dismantled by RP during tests with another assembled gun (C. Joram)
        • magnetic field has changed due to change in tightness of assembly of the various metallic parts
        • absolute calibration is obselete
        • but does not affect usage (just new working point)
    • Software
      • re-analyse existing data (training)
slide4
Measurements done by C. Joram and C. Alfieri using Hall probe

Done with RP on two assembled electron guns

(Note: “OLD” is ours)

slide5
Measurements done by C. Joram and C. Alfieri using Hall probe

Done with RP on two assembled electron guns

(Note: “OLD” is ours)

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