INCERTI, S.; IVANCHENKO, V.; NOVAK, M.

doi:10.1088/1748-0221/13/02/C02054

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INCERTI, S.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

IVANCHENKO, V.

NOVAK, M.

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JINST, JINST, 2017-10-02, Lyon. 2018, vol. 13, n° 02, p. C02054

Résumé en anglais

We report on recent progress in the Geant4 electromagnetic (EM) physics sub-packages. New interfaces and models introduced recently in Geant4 10.3 are already used in LHC applications and may be useful for any type of simulation. Additional developments for EM physics are available with the new public version Geant4 10.4 (December, 2017). Important developments for calorimetry applications were carried out for the modeling of single and multiple scattering of charged particles. Corrections to scattering of positrons and to sampling of displacement have recently been added to the Geant4 default Urban model. The fully theory-based Goudsmit-Saunderson (GS) model for electron/positron multiple scattering was recently reviewed and a new improved version is available in Geant4 10.4. For testing purposes for novel calorimeters we provide a configuration of electron scattering based on the GS model or on the single scattering model (SS) instead of the Urban model. In addition, the GS model with Mott corrections enabled is included in the option4 EM physics constructor. This EM configuration provides the most accurate results for scattering of electrons and positrons.< Réduire

Mots clés en anglais

Detector modelling and simulations I (interaction of radiation with matter

interaction of photons with matter

interaction of hadrons with matter

etc)

Simulation methods and programs

Radiation calculations

Performance of High Energy Physics Detectors

activity report

scattering: model

charged particle: multiple scattering

programming

GEANT

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Recent progress of Geant4 electromagnetic physics for calorimeter simulation

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