Proton Calorimetry/Meetings/2022/04/12

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Minutes for UCL Proton Calorimetry Meetings, 12th April


Saad Shaikh, Simon Jolly, Raffaella Radogna

Saad Shaikh

  • Tested Rev. C boards at home again with a torch – all looks OK.
    • Will give Marko thumbs up to produce further boards.
  • Simulation now can do Bortfeld fit on simulated depth-dose curve.
  • Met with Laurent and Raffy to discuss simulation physics lists, optical properties and light collection.
    • G4 v11 only requires simple implementation of QBBC physics list, replacing EM physics with option 4 and registering optical physics.
    • Material composition, scintillation slow and fast components, ratio, yield etc. are consistent across Laurent's and Jeremy's simulations
    • Optical properties (photon energy spectrum, absorption spectrum and wavelength shifting) seems to have been passed down from G4 examples(?) -> LZ -> Anastasia -> Laurent. Unclear whether figures are correct or even really matter. Will need to investigate this further down the line.
  • Next step for simulation is to implement photon counting by sheet.
  • Simon has printed new scintillator stack holder with gaps for fibre LEDs. Will begin testing new prototype after Easter break.
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