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Recent Improvements in Geant4 Electromagnetic Physics Models and Interfaces

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2011
bitstream_21323.pdf (384.9Kb)
Authors
Ivanchenko, Vladimir
Apostolakis, John
Bagulya, Alexander
Abdelouahed, Haifa Ben
Black, Rachel
Bogdanov, Alexey
Burkhard, Helmut
Chauvie, Stéphane
Cirrone, Giuseppe Antonio Pablo
Cuttone, Giacomo
Depaola, Gerardo
Di Rosa, Francesco
Elles, Sabine
Francis, Ziad
Grichine, Vladimir
Gumplinger, Peter
Gueye, Paul
Incerti, Sebastien
Ivanchenko, Anton
Jacquemier, Jean
Lechner, Anton
Longo, Francesco
Kadri, Omrane
Karakatsanis, Nicolas
Karamitros, Mathieu
Kokoulin, Rostislav
Kurashige, Hisaya
Maire, Michel
Mantero, Alfonso
Mascialino, Barbara
Moscicki, Jakub
Pandola, Luciano
Perl, Joseph
Petrović, Ivan M.
Ristić-Fira, Aleksandra
Romano, Francesco
Russo, Giorgio
Santin, Giovanni
Schaelicke, Andreas
Toshito, Toshiyuki
Tran, Hoang
Urban, Laszlo
Yamashita, Tomohiro
Zacharatou, Christina
Article (Published version)
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Abstract
An overview of the electromagnetic (EM) physics of the Geant4 toolkit is presented Two sets of EM models are available: the 'Standard' initially focused on high energy physics (HEP) while the 'Low-energy' was developed for medical, space and other applications The 'Standard' models provide a faster computation but are less accurate for keV energies, the 'Low-energy' models are more CPU time consuming A common interface to EM physics models has been developed allowing a natural combination of ultra-relativistic, relativistic and low-energy models for the same run providing both precision and CPU performance Due to this migration additional capabilities become available The new developments include relativistic models for bremsstrahlung and e+e- pair production, models of multiple and single scattering, hadron/ion ionization, microdosimetry for very low energies and also improvements in existing Geant4 models In parallel, validation suites and benchmarks have been intensively developed (...author)

Keywords:
Geant4 / bremsstrahlung / Monte Carlo / multiple scattering / energy loss
Source:
Progress in Nuclear Science and Technology, 2011, 2, 898-903

DOI: 10.15669/pnst.2.898

ISSN: 2185-4823

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URI
http://inis.iaea.org/search/search.aspx?orig_q=RN:49057834
http://www.aesj.or.jp/publication/pnst002/data/898-903.pdf
http://vinar.vin.bg.ac.rs/handle/123456789/8641
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Vinča

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