Neutron spectrum determination of p plus Be reaction for 30 MeV protons using the multi-foil activation technique

被引：1
|
作者：
Stefanik, Milan [1 ,2 ]
Simeckova, Eva [1 ]
Bem, Pavel [1 ]
Majerle, Mitja [1 ]
Novak, Jan [1 ]
Ansorge, Martin [1 ,2 ]
Mrazek, Jaromir [1 ]
Stursa, Jan [1 ]
机构：
[1] Czech Acad Sci, Nucl Phys Inst, Pri, Rez 130, Rez 25068, Czech Republic
[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, Prague 11519, Czech Republic
来源：
ND 2019: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY | 2020年 / 239卷
关键词：
THICK; YIELDS; DEUTERONS;
D O I：
10.1051/epjconf/202023917015
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：
At the NPI in Rez, the p + Be source reaction was investigated for 30 MeV proton beam and thick beryllium target. For neutron field determination of the p(30)+Be source reaction in close source-to-sample distance, the multi-foil activation technique with a set of 10 activation materials (Au, Co, L u, Ti, In, Al, Y, Fe, Ni, NI)) was utilized. From resulting reaction rates, the neutron spectrum was reconstructed using the SAND-II unfolding code. New neutron field of white spectrum up to 28 MeV has an intensity of 8.6 x 10(10) cm(-2)s(-1) close to target. The obtained neutron field extends the utilization of cyclotron-based fast neutron sources at the NPI and provides new experimental opportunities for future irradiation experiments such as fast neutron activation analysis, nuclear data validation, and radiation damage study of electronics and materials for nuclear energetics.
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页数：4
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