Comparison between Geant4, Fluka and the TileCal test-beam data

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Presentation transcript:

Comparison between Geant4, Fluka and the TileCal test-beam data ATLAS hadronic sampling calorimeter TileCal test-beam p, p and e from 20 to 350 GeV Particle id with Cherenkov, calorimetric selection Calibration with 20 GeV e- Geant4 and Fluka validation Geant4 7.0 and 8.1 (QGSP and QGSP_BERT) Fluka 2006.3 (CALORIMEter) Reproduce beam com- position in the MC Geant4 and Fluka validation Geant4 7.0 and 8.1 (QGSP and QGSP_BERT) Fluka 2006.3 (CALORIMEter) Reproduce beam com- position in the MC Geant4 and Fluka validation Geant4 7.0 and 8.1 (QGSP and QGSP_BERT) Fluka 2006.3 (CALORIMEter) Reproduce beam com- position in the MC Total energy Mean value of the energy released in TileCal by a pion beam for several energies at η=-0.35. The mean is extracted with a 2 sigma gaussian fit of the energy distribution. M. Cascella

Shower shape Longitudinal shower shape Lateral shower shape Fraction of the total energy released by a pion beam in each longitudinal sample of the Tile calorimeter. The section depth is 1.5, 4 and 2 interaction lengths respectively Lateral shower shape Lateral profile of the hadronic shower from a pion beam in TileCal. Ecore is the energy released in the projective tower hit by the pion beam (0.1x0.1 in DhxDf). The rest of the volume contains the halo. M. Cascella