Determination of spatial and energy distributions of neutrons in experiments on transmutation of radioactive waste using relativistic protons

被引：3
|
作者：
Zhuk, IV [1 ]
Lomonosova, EM
Boulyga, SF
Kievitskaia, AI
Rakhno, IL
Chigrinov, SE
Bradnova, V
Krivopustov, MI
Kulakov, BA
Brandt, R
Ochs, M
Wan, JS
机构：
[1] Inst Power Engn Problems, Minsk 220109, Sosny, BELARUS
[2] Radiat Phys & Chem Problems Inst, Minsk 220109, Sosny, BELARUS
[3] Joint Inst Nucl Res, Dubna 141980, Russia
[4] Univ Marburg, FB 15, D-35032 Marburg, Germany
来源：
RADIATION MEASUREMENTS | 1999年 / 31卷 / 1-6期
关键词：
accelerator driven systems; high energy protons; neutron spectra; spectral indices; solid state nuclear track detectors;
D O I：
10.1016/S1350-4487(99)00121-3
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The experiments on transmutation of I-129 and Np-237 using uranium-lead targets surrounded by a paraffin moderator were performed at the Joint Institute for Nuclear Research (JINR, Russia). The targets were irradiated by 1.5 GeV and 7.4 GeV protons at the Synchrophasotron of JINR. In the frame of present work spatial and energy distributions of neutrons on the surface of the paraffin moderator were measured using SSNTD technique. It is shown that measured values of spectral indices do not depend on the energy of incident protons but depend on the target composition. The presence of the uranium insertion softens neutron spectra.
引用
收藏
页码：515 / 520
页数：6
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