A study of bremsstrahlung spectra and absorbed dose of beta in teeth enamel and dentin

Abstract

The beta-induced bremsstrahlung spectra produced by 113 pure beta nuclides in teeth enamel and dentin 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 teeth enamel and dentin. 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.

Effective atomic number of some rare earth compounds determined by the study of external bremsstrahlung

“…Several investigators have used the EB intensity produced due to radiative interaction of the b-particles with the composite materials to determine their effective atomic number (Kurudirek, 2013;Kurudirek & Celik, 2012;Manjunatha, 2013;Manjunatha & Rudraswamy 2007;Shivaramu, 1990). However efforts to determine the Z eff of rare earth samples are very few in literature.…”