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

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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)


Ecal lab measurements summer plans

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

Done with RP on two assembled electron guns

(Note: “OLD” is ours)


Ecal lab measurements summer plans

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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