EPJ Web Conf.
Volume 214, 201923rd International Conference on Computing in High Energy and Nuclear Physics (CHEP 2018)
|Number of page(s)||8|
|Section||T2 - Offline computing|
|Published online||17 September 2019|
Progress of Geant4 electromagnetic physics developments and applications
Tomsk State University,
2 CERN, CH1211, Geneva 23, Switzerland
3 Lebedev Physical Institute, 119991 Moscow, Russia
4 University of Wollongong, Center for Medical Radiation Physics, NSW 2522, Wollongong Australia
5 University of Pittsburgh, 4200 Fifth Avenue, Pittsburgh, PA 15260, USA
6 LLR, CNRS/IN2P3, Ecole Polytechnique, 91218 Palaiseau, France
7 CRCT, UMR 1037 INSERM, Université Paul Sabatier, Toulouse, France
8 UUMR 1037, CRCT, Univ. Toulouse III-Paul Sabatier, F-31000, Toulouse, France
9 Delft University of Technology, Radiation Science and Technology, 2629JB, Delft, The Netherland
10 SWHARD SRL, Via Greto di Cornigliano 6r, 16152, Genova, Italy
11 IN2P3/LAPP 74941 Annecy-le-vieux, France
12 College Imperial, London, United Kingdom
13 CNRS/IN2P3, CENBG, UMR 5797, F-33170 Gradignan, France
14 Université Bordeaux, CENBG, UMR 5797, F-33170, Gradignan, France
15 Fermi National Accelerator Laboratory, Batavia, IL, USA
16 King Saud University, Riyadh, Saudi Arabia
17 Medical Physics Laboratory, University of Ioannina Medical School, Ioannina, 45110, Greece
18 Geant4 Associate International Ltd., United Kingdom
19 Varian Medical Systems, Palo Alto, CA 94304, USA
20 Moscow State University, Moscow, Russia
21 Institute of Theoretical and Experimental Physics, 117218 Moscow, Russia
* Corresponding author: e-mail: Vladimir.Ivantchenko@cern.ch
Published online: 17 September 2019
We report on developments of the Geant4 electromagnetic physics sub-libraries of Geant4 release 10.4 and beyond. Modifications are introduced to the models of photoelectric effect, bremsstrahlung, gamma conversion, single and multiple scattering. The theory-based Goudsmit-Saunderson model of electron/positron multiple scattering has been recently reviewed and a new improved version, providing the most accurate results for scattering of electrons and positrons, was made available. The updated interfaces, models and configurations have already been integrated into LHC applications and may be useful for any type of simulations.
© The Authors, published by EDP Sciences, 2019
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