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Abstract: CMS experiment is using Geant4 for Monte-Carlo simulation of the detectorsetup. Validation of physics processes describing hadronic showers is a majorconcern in view of getting a proper description of jets and missing energy forsignal and background events. This is done by carrying out an extensive studieswith test beam using the prototypes or real detector modules of the CMScalorimeter. These data are matched with Geant4 predictions. Tuning of theGeant4 models is carried out and steps to be used in reproducing detectorsignals are defined in view of measurements of energy response, energyresolution, transverse and longitudinal shower profiles for a variety of hadronbeams over a broad energy spectrum between 2 to 300 GeV-c.



Author: Stefan Piperov FNAL

Source: https://arxiv.org/



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