Proton Calorimetry/Meetings/2019/02/27: Difference between revisions

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* Will start looking into spatial distribution of light production and photon counting: also conversion between light production and dose.
* Will start looking into spatial distribution of light production and photon counting: also conversion between light production and dose.
* Not attending courses: easier doing coursework remotely.
* Not attending courses: easier doing coursework remotely.
==== [[ELogs/SaadShaikh|Saad Shaikh]] ====
* Checking scale factors for comparing Caen and LeCroy spectra.
* Looking into peak signal size to compare different PMMA thicknesses.
* Writing first draft of final report: should send to '''SJ''' in a week.


==== [[ELogs/OhieMayenin|Ohie Mayenin]] ====
==== [[ELogs/OhieMayenin|Ohie Mayenin]] ====


* First runs of Clatterbridge BDSIM simulations.
* Issues with Clatterbridge BDSIM simulation: odd results from some runs but not others:
* Will play with simulation and check accelerator beam line parameters first.
** Magnet field strengths arbitrarily changed.
* Clatterbridge visit tentatively scheduled for 28th Feb.
** Beam loss at some quadrupoles.
** Jacinta is investigating.
* Preparing for Clatterbridge trip on 28th Feb.
 
==== [[ELogs/RaffaellaRadogna|Raffaella Radogna]] ====
 
* Almost finished consolidating PBT setup scripts for CEntOS 7.
* Will discuss with '''James Chappell''' about integrating BDSIM setup.


=== MSc Meeting, 13th February (D12, Physics & Astronomy, UCL)  ===
=== MSc Meeting, 27th February (D12, Physics & Astronomy, UCL)  ===


==== Present ====
==== Present ====
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==== [[ELogs/JamesGolbourn|James Golbourn]] ====
==== [[ELogs/JamesGolbourn|James Golbourn]] ====


* Researching uses of IBA Lynx and Sphinx:
* Met with '''Alison Warry''' and '''Andrew Gosling''' at UCLH regarding daily QA:
** Sphinx coupled to Lynx used for daily QA.
** Mainly interested in spot position, size and repeatability; range secondary.
** Lynx is scintillator screen; Sphinx is series of RW3 absorbers used for range checks.
** Using Sun Nuclear DQA3: cheap (£8k) but functionality poor.
* Looking into different uses of scintillators and scintillating fibres.
** Several questions still outstanding: will arrange to meet again.
* Investigating radio chromic films.
* Will add links to ELog for IBA devices and QA papers.
* Will contact '''Alison Warry''' with questions arising from previous talk.


==== [[ELogs/FernandoFelix|Fernando Franco Felix]] ====
==== [[ELogs/FernandoFelix|Fernando Franco Felix]] ====


* Handbook on photodiodes provided by Hamamatsu: using it for minimum and maximum power calculations.
* Reply received from Hamamatsu.
* Will contact Hamamatsu to confirm calculations.
* Some calculations not clear: '''SJ''' will chase up.

Latest revision as of 12:23, 27 February 2019

Minutes for UCL Proton Calorimetry Meetings, 29th/30th January 2019 (D12, Physics & Astronomy, UCL)

MSci Meeting, 26th February (D12, Physics & Astronomy, UCL)

Present

Simon Jolly, Ohie Mayenin, Saad Shaikh, Raffaella Radogna, Jeremy Ocampo

Jeremy Ocampo

  • Looking into optical light production from Cherenkov and scintillation in Geant4.
  • Struggling to implement realistic photon production with phase space file: SJ suggests contacting Ben Morgan <ben.morgan@warwick.ac.uk at Warwick.
  • Will start looking into spatial distribution of light production and photon counting: also conversion between light production and dose.
  • Not attending courses: easier doing coursework remotely.

Saad Shaikh

  • Checking scale factors for comparing Caen and LeCroy spectra.
  • Looking into peak signal size to compare different PMMA thicknesses.
  • Writing first draft of final report: should send to SJ in a week.

Ohie Mayenin

  • Issues with Clatterbridge BDSIM simulation: odd results from some runs but not others:
    • Magnet field strengths arbitrarily changed.
    • Beam loss at some quadrupoles.
    • Jacinta is investigating.
  • Preparing for Clatterbridge trip on 28th Feb.

Raffaella Radogna

  • Almost finished consolidating PBT setup scripts for CEntOS 7.
  • Will discuss with James Chappell about integrating BDSIM setup.

MSc Meeting, 27th February (D12, Physics & Astronomy, UCL)

Present

Simon Jolly, Fernando Franco Felix, James Golbourn, Raffaella Radogna

James Golbourn

  • Met with Alison Warry and Andrew Gosling at UCLH regarding daily QA:
    • Mainly interested in spot position, size and repeatability; range secondary.
    • Using Sun Nuclear DQA3: cheap (£8k) but functionality poor.
    • Several questions still outstanding: will arrange to meet again.
  • Will add links to ELog for IBA devices and QA papers.

Fernando Franco Felix

  • Reply received from Hamamatsu.
  • Some calculations not clear: SJ will chase up.
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