Measurements of the (n,2n) Reaction Cross Section of 181Ta from 8 to 15 MeV

被引：1

作者：

Bhatia, C. ^{[1
]}

Gooden, M. E. ^{[2
]}

Tornow, W. ^{[1
]}

Tonchev, A. P. ^{[3
]}

机构：

[1] Duke Univ, Dept Phys, TUNL, Durham, NC 27708 USA

[2] N Carolina State Univ, Dept Phys, TUNL, Raleigh, NC 27695 USA

[3] Lawrence Livermore Natl Lab, Div Phys, Livermore, CA 94550 USA

来源：

NUCLEAR DATA SHEETS | 2014年 / 119卷

关键词：

EXCITATION FUNCTIONS; NEUTRONS; SCATTERING; NUCLEI; DECAY;

D O I：

10.1016/j.nds.2014.08.049

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The cross section for the reaction Ta-181(n,2n) Ta-180(g) was measured from 8 to 15 MeV in small energy steps to resolve inconsistencies in the existing databases. The activation technique was used, and the 93.4 keV gamma-ray from the decay of the Ta-180(g) ground state was recorded with a HPGe detector. In addition, the gamma-rays from the monitor reactions Al-27(n,alpha)Na-24 and Au-197(n,2n) Au-196 were measured for neutron fluence determination. As a cross check, a calibrated neutron detector was also used. The ENDF/B-VII. 1 and TENDL-2011 evaluations are in considerable disagreement with the present data, which in turn agree very well with the majority of the existing data in the 14 MeV energy region.

引用

页码：176 / 178

页数：3

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