Proton Calorimetry/Meetings/2016/10/12

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Minutes for UCL Proton Calorimetry Meeting, 12th October 2016 (D17, Physics & Astronomy, UCL)


Simon Jolly, Ruben Saakyan, Anastasia Basharina-Freshville, Laurent Kelleter, Andreas Christou, Matthieu Hentz, Adam Knoetze


  • Working through tutorials on PBT Wiki.
  • Issues with starting PBT environment: can’t find OpenGL sometimes when connecting from OS X Terminal.
    • Suggestions to try XQuartz; also check from HEP Linux PC.
    • Problem tracked down to XQuartz v2.7.9: downgrade to v2.7.8 solved issue (replicated by ABF and SJ).
  • Working on Literature Review.


  • Working through ROOT Tutorials: going to stick with ROOT over PyROOT unless there's a specific need.
  • Will start looking at ADC data and fitting: ABF explained the differences between waveform fit and ADC spectrum fit.
  • Will start with ADC spectrum fitting: has some old Python code with fitting that can be recycled.


  • Writing literature review.
  • Having trouble converting LeCroy binary to text files in Python: can't truncate number of decimal places or format when writing to text file.
  • Will speak to Ben Waugh about Python text exporting.


  • Finished running through the Geant4 PBT tutorials.
  • Managed to get ABF’s SuperNEMO Optical Module simulations working on SLC5.
  • Not yet working on SL6: will speak to Lawrence Deacon about errors (Issue with gmake).
  • Will look at results on SLC5 before moving to SL6 to make some plots for comparison.
  • Once ABF's OM simulations are running on SL6, will start to look at segmented calorimeter simulations.

SJ still needs to contact Andrzej Kacperek at Clatterbridge and colleagues at PSI/MedAustron to arrange next experimental visits...

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