Proton Calorimetry/Meetings/2021/12/09: Difference between revisions

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=== [[ELogs/SaadShaikh|Saad Shaikh]] ===
=== [[ELogs/SaadShaikh|Saad Shaikh]] ===
*Consolidated UCLH analysis with latest (corrected) plots into two presentations: 15th April experiment and 2nd Nov experiment.
*Consolidated UCLH analysis with latest (corrected) plots into two presentations: [http://www.hep.ucl.ac.uk/pbt/wikiData/presentations/2021/SS210428_UCLH.pptx 15th April experiment] and [http://www.hep.ucl.ac.uk/pbt/wikiData/presentations/2021/SS211110_UCLH.pptx 2nd Nov experiment].
**Will update links to these in previous meeting minutes etc.
**Will update links to these in previous meeting minutes etc.
**Correcting PDL normalisation in comparisons found that photodiodes match up very well with CMOS sensor in April experiment.  
**Correcting PDL normalisation in comparisons found that photodiodes match up very well with CMOS sensor in April experiment.  
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*Literature value of Birks' constant summarised in table 2.2 of Laurent's thesis – values vary greatly and are very specific to material itself.
*Literature value of Birks' constant summarised in table 2.2 of Laurent's thesis – values vary greatly and are very specific to material itself.
**Will perform fits to Nikon data to see if Birks' value is consistent.
**Will perform fits to Nikon data to see if Birks' value is consistent.
*Delivered presentation at FRPT 2021, slides available here.
*Delivered presentation at FRPT 2021, slides available [http://www.hep.ucl.ac.uk/pbt/wikiData/presentations/2021/SS211203_FRPT.pptx here].
*Naoki presented first results with hardware implementation of fitting function, slides available here.
*Naoki presented first results with hardware implementation of fitting function, slides available here.
**Will download and test software version of code that performs fit without ROOT.
**Will download and test software version of code that performs fit without ROOT.
*Will deliver Christmas Talk on 20th December for HEP Group Day.
*Will deliver Christmas Talk on 20th December for HEP Group Day.

Revision as of 17:33, 9 December 2021

Minutes for UCL Proton Calorimetry Meetings, 9th December

Present

Simon Jolly, Saad Shaikh

Saad Shaikh

  • Consolidated UCLH analysis with latest (corrected) plots into two presentations: 15th April experiment and 2nd Nov experiment.
    • Will update links to these in previous meeting minutes etc.
    • Correcting PDL normalisation in comparisons found that photodiodes match up very well with CMOS sensor in April experiment.
    • Coupled with no change in fit results with CMOS sensor photodiode approximation fits, photodiodes appear to see enough light to give good results.
  • Ran fit replays for all runs in April and November experiments.
    • In November experiment, only Run 16 gave unphysical results, likely due to low light levels.
    • Will investigate if parameter limits can fix this.
  • Literature value of Birks' constant summarised in table 2.2 of Laurent's thesis – values vary greatly and are very specific to material itself.
    • Will perform fits to Nikon data to see if Birks' value is consistent.
  • Delivered presentation at FRPT 2021, slides available here.
  • Naoki presented first results with hardware implementation of fitting function, slides available here.
    • Will download and test software version of code that performs fit without ROOT.
  • Will deliver Christmas Talk on 20th December for HEP Group Day.