Sep 2 – 9, 2007
Victoria, Canada
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Track based software package for measurement of the energy deposited in the calorimeters of the ATLAS detector

Sep 3, 2007, 8:00 AM
10h 10m
Victoria, Canada

Victoria, Canada

Board: 64
poster Software components, tools and databases Poster 1


Konstantinos Bachas (Aristotle University of Thessaloniki)


The measurement of the muon energy deposition in the calorimeters is an integral part of muon identification, track isolation and correction for catastrophic muon energy losses, which are the prerequisites to the ultimate goal of refitting the muon track using calorimeter information as well. To this end, an accurate energy loss measurement method in the calorimeters is developed which uses only Event Data Model tools and is used by the muon isolation tool in the official ATLAS software, in order to provide isolation related variables at the Event Summary Data level. The strategy of the energy deposition measurement of the track in the calorimeters is described. Inner Detector, or Muon Spectrometer tracks are extrapolated to each calorimeter compartment using existing tools, which take into account multiple scattering and bending due to the magnetic field. The energy deposited in each compartment is measured by summing-up cells, corrected for noise, inside a cone around the track of desired size. The results of the measured energy loss in the calorimeters with this method are validated with Monte Carlo single muon samples.

Primary authors

Konstantinos Bachas (Aristotle University of Thessaloniki) Samira Hassani (CEA-Dapnia,SACLAY)

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