Implementation of the Doppler broadening of a Compton-scattered photon into the EGS4 code
作者： Y. Namito , S. Ban , H. Hirayama
DOI: 10.1016/0168-9002(94)91215-7
关键词: Compton wavelength 、 Atomic physics 、 Monte Carlo method for photon transport 、 Inelastic scattering 、 Physics 、 Photon 、 Binding energy 、 Compton scattering 、 Doppler broadening 、 Photon energy
摘要: Abstract A modification to the general-purpose Monte Carlo electron-photon transport code EGS4 [1] was made in order include Doppler broadening of Compton-scattered photon energy due electron pre-collision motion. The is sampled from a cross section formula based on Compton profile, and scattering sustained if imparted less than its binding energy. effect modifies scattered energy, angular distribution, total scattering, affects mean free path used calculations. In improved code, all these effects are treated consistently. simulation 40 keV by C Cu samples performed using code; calculated spectra agreed well with measurements.
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