NEUTRON AND PHOTON MEASUREMENTS THROUGH CONCRETE FROM A 15 GEV ELECTRON-BEAM ON A TARGET - COMPARISON WITH MODELS AND CALCULATIONS

被引：16

作者：

JENKINS, TM

机构：

[1] Radiation Physics Department, Stanford Linear Accelerator Center, Stanford

来源：

NUCLEAR INSTRUMENTS & METHODS | 1979年 / 159卷 / 2-3期

关键词：

D O I：

10.1016/0029-554X(79)90652-9

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Measurements of neutron and phonon dose equivalents from a 15 GeV electron beam striking an iron target inside a scale model of a PEP IR hall are described, and compared with analytic-empirical calculations and with the Monte Carlo code, MORSE. The MORSE code is able to predict both absolute neutron and photon dose equivalents for geometries where the shield is relatively thin, but fails as the shield thickness is increased. An intermediate energy source term is postulated for analytic-empirical neutron shielding calculations to go along with the giant resonance and high energy terms, and a new source term due to neutron capture is postulated for analytic-empirical photon shielding calculations. The source strengths for each energy source term, and each type, are given from analysis of the measurements. © 1979.

引用

页码：265 / 288

页数：24

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