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Response of the GLAST-LAT Calibration Unit to sources of background

Responsible persons : TBD

People interested  (Please Add your name here if you want to contribute)

  • Johan Bregeon : hadronic interactions, albde gamma
  • Carmelo Sgrò : positron annihilation
  • Francesco Longo : hadronic process in GEANT4

Preliminary Content (feel free to modify/comment it !) :

Introduction :

  • Short summary of what background means for GLAST - reference to another poster ?
  • General Beamtest setup to study the CU response to background sources

Main Tabs : Study of the different background sources

  1. benchmark of hadronic process in GEANT4 with proton/pions at PS and SPS
  2. hadronic interactions in MMS (PS proton runs)
  3. positron annihilation events in MMS (PS positron and electons)
  4. gamma-ray albedo (PS special fullbrehm runs)

Conclusion : 

  • What we have learned thanks to the beamtest 
  • How to tune GlastRelease to reproduce better these special classes of events

Material for the poster

  • Simulated positron annihilation in the MMS (from BT-1356, event 4040)

     

Usefull links to presentations and confluence pages

Positrons

Proton Background :

Hadronic processes in mms :

Hadronic models / protons :

GEOMETRY

ACD

Background

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