Proton Calorimetry/Meetings/2019/11/26: Difference between revisions

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== Minutes for UCL Proton Calorimetry Meetings, 12th November 2019 (D17, Physics & Astronomy, UCL) ==
== Minutes for UCL Proton Calorimetry Meetings, 26th November 2019 (D17, Physics & Astronomy, UCL) ==


=== Present ===
=== Present ===
Line 5: Line 5:
'''Simon Jolly''', '''Laurent Kelleter''', '''Raffaella Radogna''', '''Saad Shaikh'''
'''Simon Jolly''', '''Laurent Kelleter''', '''Raffaella Radogna''', '''Saad Shaikh'''


=== [[ELogs/SaadShaikh|Saad Shaikh]] ===
=== [[ELogs/RaffaellaRadogna|Raffaella Radogna]] ===
* progress on fitting Bortfeld's Bragg curve on simulation data from Geant4 (from Laurent)
* Updates about last two weeks activities
* the code is ported in Eclipse and now is cpp executable, but still uses ROOT
** TOPAS simulation (not priority)
* next step will be the quenched Bragg curve and real data analysis
** 10 scintillator sheets painted. Paint dryed for 4 days. Two of them look sticky after using optical gel.
* he will also start running the CMOS sensor and collect instructions about
* TO DO
** running the software and acquiring images
** polish with paste
** analysing images
** measure painted scintillator sheets
* new directory [http://www.hep.ucl.ac.uk/pbt/wikiData/teaching/ pbt/wikiData/teaching]
** setup the DAQ PC to use CAD and design the scintillator box.
 
=== [[ELogs/LaurentKelleter|Laurent Kelleter]] ===
=== [[ELogs/LaurentKelleter|Laurent Kelleter]] ===
* presents results about range uncertainties of the QuARC [http://www.hep.ucl.ac.uk/pbt/wikiData/presentations/2019/LK20191107_RangeUncertainties.odp slides]
* Analysis of cross talk data
** uncertainty from the fit of light-depth curve is about 50um, but there are other uncertainties discussed in his presentation
* Set up an experiment at UCL to measure the cross talk with LED
* all the systematics discussed will be included in the QuARC paper and the thesis
* DIscussion about Birks constant
* the paper about mixed beam has been reviewed with positive outcome. Lenny and Laurent will answer.
* Will run simulations to check the effect of resolution on the Birks constant
* In the future we will run an experiment to measure Birks constant.  


=== [[ELogs/RaffaellaRadogna|Raffaella Radogna]] ===
=== [[ELogs/SaadShaikh|Saad Shaikh]] ===
* worked on setup. New way of coupling PD to the scintillator stack
* Familiar with the quenched fit and B fit of simulated data
* run an experiment injecting light to a sheet at the time to check the cross talk
* Will learn how to analyse real data
* will analyse data
* Will ask Cham who to contact from RAL.
 
=== [[ELogs/SimonJolly|Simon Jolly]] ===
* meeting with Cham on Friday this week

Latest revision as of 17:03, 26 November 2019

Minutes for UCL Proton Calorimetry Meetings, 26th November 2019 (D17, Physics & Astronomy, UCL)

Present

Simon Jolly, Laurent Kelleter, Raffaella Radogna, Saad Shaikh

Raffaella Radogna

  • Updates about last two weeks activities
    • TOPAS simulation (not priority)
    • 10 scintillator sheets painted. Paint dryed for 4 days. Two of them look sticky after using optical gel.
  • TO DO
    • polish with paste
    • measure painted scintillator sheets
    • setup the DAQ PC to use CAD and design the scintillator box.

Laurent Kelleter

  • Analysis of cross talk data
  • Set up an experiment at UCL to measure the cross talk with LED
  • DIscussion about Birks constant
  • Will run simulations to check the effect of resolution on the Birks constant
  • In the future we will run an experiment to measure Birks constant.

Saad Shaikh

  • Familiar with the quenched fit and B fit of simulated data
  • Will learn how to analyse real data
  • Will ask Cham who to contact from RAL.
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