Neutron cross-section measurements in the Th-U cycle by the activation method

被引：22

作者：

Karamanis, D ^{[1
]}

Andriamonje, S

Assimakopoulos, PA

Doukellis, G

Karademos, DA

Karydas, A

Kokkoris, M

Kossionides, S

Nicholis, NG

Papachristodoulou, C

Papadopoulos, CT

Patronis, N

Pavlopoulos, P

Perdikakis, G

Vlastou, R

机构：

[1] Univ Ioannina, Dept Phys, Phys Nucl Lab, Ioannina 45110, Greece

[2] AstroParticle Consortium, Ioannina 45110, Greece

[3] DAPNIA, CEA, DSM, Saclay, France

[4] Inst Tech Educ, Athens 11745, Greece

[5] NCSR Demokritos, Inst Phys Nucl, Aghia Paraskevi 15310, Greece

[6] Natl Tech Univ Athens, GR-15773 Athens, Greece

[7] Pole Univ Leonardo da Vinci, F-92916 Paris, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 505卷 / 1-2期

关键词：

thorium neutron interaction; Th-U cycle; activation;

D O I：

10.1016/S0168-9002(03)01102-1

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Th-212(n,2n)Th-231 reaction cross-section was measured relative to the Fe-56(n,p)Mn-56 and Al-27(n,a)Na-24 reaction cross-sections with the activation method for neutron energies up to 11 MeV. Neutrons were produced by the H-2(d,n) reaction in the 5.5 MV Tandem accelerator of the NCSR "Demokritos". The characteristic gamma lines of the product nuclei Th-231 (25.646 keV) and Mn-56 (846.771 keV) or Na-24 (1368 keV) were measured with an 80 mm(2) Si(Li) and a 20% reverse-electrode coaxial germanium detector, respectively. The results indicate that our values are in agreement with the JEF2 and BROND2 database values up to 9 MeV and slightly higher than those from all the libraries for higher energies. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：381 / 384

页数：4

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