Monte Carlo simulation of a198 Au Thin Foil

Abstract

Monte Carlo simulations have been performed of the decay of a a 198Au solid source within a 4πβ-γ coincidence detector. Calculations of the proportional counter efficiency to both beta and gamma emissions are simulated. A comparison of results obtained using the MCNP-5 and Geant4 simulation packages indicates that Geant4 better evaluates the $K$ correction to the coincidence equation than MCNP-5 predictions. This difference can be accounted for in terms of how the codes handle the physical interactions occurring in the foil and surrounds. Show more