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The set of Fortran-90 codes BREMS has been written with the aim of creating a comprehensive library of spectra and shape functions of unpolarized atomic-field bremsstrahlung for all chemical elements and for the approximate range of the incident electron kinetic energy from 10 eV to 3 MeV on a dense energy grid, using the best theory available. This would eliminate some of the gaps in the tabulated shape function data that have been published up to now. The calculation method is based on the relativistic partial-wave formulation describing interaction of the incident electron with an arbitrary central potential of the target atom.

ZIP archive with the distribution package of BREMS v1.4.12.9 (updated on August 23, 2019)
BREMS User's Manual
List of changes in BREMS

BREMS v1.4.12.0 was used to create BremsLib - a library of shape functions and singly differential cross sections of bremsstrahlung at electron energies from 10 eV to 3 MeV.
ZIP archive with the distribution package of BremsLib v1.0.5 (updated on March 4, 2019)
BremsLib README file

BREMS v1.4.4.2 was used for calculations described in this article:
A. Poškus, BREMS: A program for calculating spectra and angular distributions of bremsstrahlung at electron energies less than 3 MeV // Computer Physics Communications, vol. 232 (2018), p. 237 - 255.
[Published online: 08 May 2018, link: https://doi.org/10.1016/j.cpc.2018.04.030]

BREMS v1.4.12.0 was used for calculations described in this article:
A. Poškus, Shape functions and singly differential cross sections of bremsstrahlung at electron energies from 10 eV to 3 MeV for Z = 1100 // Atomic Data and Nuclear Data Tables, vol. 129-130 (2019), 101277 (39 pp.)
[Published online: 25 March 2019, link: https://doi.org/10.1016/j.adt.2019.03.002]

BREMS is constantly being improved. Constructive comments and suggestions are welcome. Please e-mail them to andrius.poskus@ff.vu.lt or to andrius.poskus@live.com.

Andrius Poškus

August 23, 2019