Proton Calorimetry/Meetings/2017/11/15

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Minutes for UCL Proton Calorimetry Meeting, 15th November 2017 (D17, Physics & Astronomy, UCL)


Simon Jolly, Ruben Saakyan, Anastasia Basharina-Freshville, Jordan Silverman, Dan Walker


  • WaveCatcher has arrived!
    • ABF will have first look then pass on to DW.
  • Hamamatsu flat panel sensor needs to be ordered:
    • ABF will chase up.


  • Comparing Matthieu's simulated spectrum to results for Clatterbridge single module:
    • Spectrum looks closer than before to measured spectrum.
    • Landau fit working for peak but long tail not well described.
    • RS suggests Network Performance Analysis!
    • Will work with Laurent on improving fitting of data.
  • Testing Hamamatsu boosted PMT base:
    • Erratic behaviour disappears when boosting 6th dynode but peak still drops with increasing frequency.


  • Looking into CAD modelling in Geant4:
    • Issues with each option for CAD import!
    • Will email SJ with details of CAD import issues.
  • Haven't pursued PRaVDA VM.
  • Will look at ROOT fitting with details from ABF.
  • Will start to run Clatterbridge simulations from Matthieu.


  • Working to fit waveform files in ROOT.
  • Have simplified filtering: will add in baseline subtraction for each waveform.
  • ABF suggests using alternative method than pulse fitting to distinguish double pulses: will be much faster!
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