IMPLEMENTATION OF LINEARLY-POLARIZED PHOTON SCATTERING INTO THE EGS4 CODE

被引：76

作者：

NAMITO, Y

BAN, S

HIRAYAMA, H

机构：

[1] National Laboratory for High Energy Physics, Oho, Tsukuba-shi, Ibaraki-ken

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 332卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(93)90770-I

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A modification to the general-purpose Monte Carlo electron-photon transport code EGS4 [Nelson, Hirayama and Rogers, SLAC-265] was made in order to include linear polarization in the simulation of photon scattering. Both the Compton and Rayleigh scattering routines were modified to properly account for the electric-field vector of the photon. This vector is calculated at each photon scatter, and is passed along with the photons in the radiation transport, thereby allowing for a precise simulation of polarized multiple scattering. A simulation of the absorbed-dose distribution in a soft tissue equivalent phantom for a linearly polarized incident photon beam, scattering many times, was successfully performed.

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页码：277 / 283

页数：7

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