Fermilab Computing Division

CS Document 3993-v1

Validation of Geant4 Hadronic Generators versus Thin Target Data

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Submitted by:
Sunanda Banerjee
Updated by:
Sunanda Banerjee
Document Created:
06 Jul 2010, 18:11
Contents Revised:
06 Jul 2010, 18:11
Metadata Revised:
06 Jul 2010, 18:11
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The Geant4 toolkit is widely used for simulation of high energy physics (HEP) experiments, in particular, those at the Large Hadron Collider (LHC). The requirements of robustness, stability and quality of simulation for the LHC are demanding. This requires an accurate description of hadronic interactions for a wide range of targets over a large energy range, from stopped particle reactions to low energy nuclear interactions to interactions at the TeV energy scale. This is achieved within the Geant4 toolkit by combining a number of models, each of which are valid within a certain energy domain. Comparison of these models to thin target data over a large energy range indicates the strengths and weaknesses of the model descriptions and the energy range over which each model is valid.

Software has been developed to handle the large number of validation tests required to provide the feedback needed to improve the models. An automated process for carrying out the validation and storing/displaying the results is being developed and will be discussed.

Files in Document:
Simulation Geant4
Notes and Changes:
Abstract submitted to CHEP2010
Associated with Events:
CHEP 2010 held from 18 Oct 2010 to 22 Oct 2010 in Taipei, Taiwan
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