Detection of spallation neutrons and protons using the natCd activation technique in transmutation experiments at Dubna

被引：3
|
作者：
Manolopoulou, M. [1 ]
Stoulos, S.
Fragopoulou, M.
Brandt, R.
Westmeier, W.
Krivopustov, M.
Sosnin, A.
Zamani, M.
机构：
[1] Aristotle Univ Thessaloniki, Dept Phys, Thessaloniki 54124, Greece
[2] Univ Marburg, D-35032 Marburg, Germany
[3] Joint Inst Nucl Res, Dubna 141980, Russia
来源：
APPLIED RADIATION AND ISOTOPES | 2006年 / 64卷 / 07期
关键词：
spallation neutron and proton detection; Cd-nat; activation analysis;
D O I：
10.1016/j.apradiso.2006.01.014
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Various spallation sources have been used to transmute long-lived radioactive waste, mostly making use of the wide energy neutron fluence. In addition to neutrons, a large number of protons and gamma rays are also emitted from these sources. In this paper Cd-nat is proved to be a useful activation detector for determining both thermal-epithermal neutron as well as secondary proton fluences. The fluences measured with Cd-nat compared with other experimental data and calculations of DCM-DEM code were found to be in reasonable agreement. An accumulation of therma-epithermal neutrons around the center of the target (i.e. after approx. 10 cm) and of secondary protons towards the end of the target is observed. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：823 / 829
页数：7
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