MEASUREMENTS OF NEUTRON ENERGY SPECTRA FROM 7Li(p, n)7Be REACTION WITH BONNER SPHERE SPECTROMETER, NESTED NEUTRON SPECTROMETER AND ROSPEC

被引：3
|
作者：
Atanackovic, J. [1 ]
Matysiak, W. [2 ]
Witharana, S. [3 ]
Dubeau, J. [3 ]
Waker, A. J. [4 ]
机构：
[1] Atom Energy Canada Ltd, Chalk River Labs, Chalk River, ON K0J 1J0, Canada
[2] Univ Florida, Proton Therapy Inst, Jacksonville, FL 32206 USA
[3] DETEC, Gatineau, PQ J8T 4J1, Canada
[4] Univ Ontario, Inst Technol, Oshawa, ON L1H 7K4, Canada
来源：
RADIATION PROTECTION DOSIMETRY | 2014年 / 161卷 / 1-4期
关键词：
DOSIMETRY; YIELDS;
D O I：
10.1093/rpd/nct314
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Neutron spectrometry measurements were carried out at the McMaster Accelerator Laboratory (MAL), which is equipped with a 3-MV Van de Graaff-type accelerator. Protons were accelerated onto a thick natural lithium target inducing the Li-7(p, n)Be-7 threshold reaction. Depending on the proton energy, slightly different poly-energetic neutron fields were produced. Neutron spectra were measured at two incident proton energies: 2.15 and 2.24 MeV, which produced poly-energetic neutrons with maximum kinetic energies of 401 and 511 keV, respectively. Measurements were performed at a distance of 1.5 m from the target in the forward direction with three different instruments: Bonner sphere spectrometer, Nested Neutron Spectrometer and ROtational proton recoil SPECtrometer.
引用
收藏
页码：221 / 224
页数：4
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