Bremsstrahlung dose induced by high energy beta particles (>1 MeV) in bone

摘要

The beta-induced bremsstrahlung spectra produced by high energy beta particles (>1 MeV) in bone are computed. The computed spectral distributions are presented. The spectral shapes are primarily responsible for variations in the shapes of depth-dose distributions. They are intended to provide a quick and convenient reference for spectral shapes and to give an indication of the wide variation in these shapes. The computed bremsstrahlung spectrum is used in the evaluation of bremsstrahlung dose in bone. The evaluated beta bremsstrahlung dose as a function distance for the studied nuclides is also presented. The beta bremsstrahlung dose decreases with the increase of distance.