Open AccessStudy of the slowing down of high energy proton shots through metals via a Monte Carlo simulation of the Fokker-Planck equation
Author(s) -
Francesco Teodori,
V. Molinari
Publication year - 2005
Publication title -
nuclear technology and radiation protection
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.31
H-Index - 16
eISSN - 1452-8185
pISSN - 1451-3994
DOI - 10.2298/ntrp0502023t
Subject(s) - physics , fokker–planck equation , monte carlo method , range (aeronautics) , momentum (technical analysis) , coulomb , statistical physics , work (physics) , diffusion , particle (ecology) , nuclear physics , differential equation , electron , quantum mechanics , statistics , materials science , mathematics , oceanography , finance , geology , economics , composite material
The aim of this work is to analyze the diffusion and the slowing down of high energy proton shots through a target. Analyzing the phenomenon rigorously with the full transport equations, means tack ling many difficulties, most of which arise from the long range nature of the Coulomb interactions involving more than one particle simultaneously. The commonly used approach of neglecting the multi-body collisions, though correct for rarefied neutral gases, of ten leads to very poor approximations when charged particles moving through dense matter are considered. Here we present a Monte Carlo simulation of the Fokker-Planck equation where the multi-body collisions are taken into account. The model al lows the calculation of a point-wise distribution of energy and momentum transferred to the tar get