Proton Calorimetry/Meetings/2021/11/03: Difference between revisions

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**Will test and debug.
**Will test and debug.
*Simon to ask CosyLab for additional daughter board that connects with Zmod and to ask Matt to port design to USB104.
*Simon to ask CosyLab for additional daughter board that connects with Zmod and to ask Matt to port design to USB104.
*Given oral presentation at FRPT 2021!
**Will try to book flights through Clarity.

Latest revision as of 11:41, 4 November 2021

Minutes for UCL Proton Calorimetry Meetings, 3rd November

Present

Simon Jolly, Saad Shaikh, Raffaella Radogna

Saad Shaikh

  • Completed beam test at UCLH and will begin data analysis.
    • Overall resounding success:
      • Electronic noise significantly reduced (factor 10 reduction)
      • Live fitting worked reasonably well.
    • Questions to be answered:
      • Light output did not improve: optical gel likely not used properly and scintillator sheets could be damaged from removal of black paint and application of white paint. Light coupling investigations will be required to optimise this.
      • Fits failed at times: significantly improved by using ROOT's "binned" fit, at the expense of frame rate. Need to investigate optimal fit range and if parameters (particularly sigma) need to be constrained.
      • Appear to observe 2-3mm systematic offset between reconstructed Bragg curve and reference Bragg curve – need to investigate source of this.
  • Matt has provided first draft for fix of FPGA code problem with signals crossing clock domains.
    • Will test and debug.
  • Simon to ask CosyLab for additional daughter board that connects with Zmod and to ask Matt to port design to USB104.
  • Given oral presentation at FRPT 2021!
    • Will try to book flights through Clarity.