Physics of ETRAN and ITS electron-photon Monte Carlo codes
- National Institute of Standards and Technology, Gaithersburg, MD (United States)
The algorithms and cross sections in the Monte Carlo code ETRAN used for the calculation of coupled electron-photon transport in extended media serve also as the physics engine in the ITS (Integrated Tiger Series) code, which provides a much more elaborate geometrical treatment. In turn, relevant parts of the ITS code have been incorporated into a recent version of the MCNP code to furnish treatment of electron transport. Our improvements to the model tend to proceed from implementation in ETRAN to ITS and then others. The code was intended to be of general purpose for the calculation of a wide variety of quantities, including all generations in the electron-photon cascade in the energy region from 100 GeV to 1 keV. In an effort to make use of the most accurate cross-section information available, much of the sampling is done from numerical distributions rather than from approximation formulas. This brief overview merely outlines the methods used; further details and references can be found in earlier papers of Berger and Seltzer.
- OSTI ID:
- 411731
- Report Number(s):
- CONF-951006--
- Journal Information:
- Transactions of the American Nuclear Society, Journal Name: Transactions of the American Nuclear Society Vol. 73; ISSN 0003-018X; ISSN TANSAO
- Country of Publication:
- United States
- Language:
- English
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