Simulations of proton beam propagation in matter using entropic moment method

Abstract

Synopsis Atomic interactions of ions with the penetrated medium lead to a strong evolution of ion charge-state fractions as a function of the target thickness. In this paper, we present a fast and accurate method in order to simulate the slowing-down of ions in matter. Our model relies on the averaging of the transport equation leading to fast simulations of the deposited dose by particles beam. Simulations have been performed for the case of proton beams propagating through water. Results have been compared with Monte Carlo simulations.