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High Energy Physics: Geant4

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Generic Light Guides. Research for future projects in high energy physics. Goal: To develop an equation for the efficiency of light guides based on certain ... – PowerPoint PPT presentation

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Title: High Energy Physics: Geant4


1
High Energy Physics Geant4
  • September 24, 2007
  • By Michelle Potts
  • Supervisor Yasar Onel

2
Generic Light Guides
  • Research for future projects in high energy
    physics
  • Goal To develop an equation for the efficiency
    of light guides based on certain parameters

3
Generic Light Guides
  • Litrani
  • Developed by member of CMS as a general
    simulation for the propagation of optical photons
  • Extracted data from Litrani using
  • root
  • Inconsistencies

4
Generic Light Guides
  • Combat inconsistencies
  • Geant4

5
Photomultiplier Tubes
  • When subject to light, turns the light into an
    electric signal and it multiplies the signal,
    then the output signal is measured

6
Photomultiplier Tubes
  • Research the after pulse phenomena in PMTs
  • When there is some amount of gas insidethe PMT
    the gas molecules will be ionized unintentionally
    and this will affectthe behavior of the output
    signal

7
Photomultiplier Tubes
  • Geant4 Simulations

8
Photomultiplier Tubes
9
Conclusions
  • Generic Light Guide Simulations
  • Continue the development of generic light guide
    simulations using geant4 and compare with
    experiment results
  • Photomultiplier Tubes
  • Continue the development of PMT simulations
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