Measurement of the 477.6-keV γ-ray production cross section following inelastic neutron scattering by 7Li

被引：13

作者：

Nyman, M. ^{[1
]}

Belloni, F. ^{[1
]}

Ichinkhorloo, D. ^{[2
]}

Pirovano, E. ^{[1
]}

Plompen, A. J. M. ^{[1
]}

Rouki, C. ^{[1
]}

机构：

[1] Commiss European Communities, Joint Res Ctr, Inst Reference Mat & Measurements, Retieseweg 111, B-2440 Geel, Belgium

[2] Hokkaido Univ, Meme Media Lab, Sapporo, Hokkaido 0608628, Japan

来源：

PHYSICAL REVIEW C | 2016年 / 93卷 / 02期

关键词：

14-MEV NEUTRONS; ENERGY-RANGE; ELEMENTS; LIBRARY; SCIENCE; NUCLEI; GELINA; STATES; MODEL;

D O I：

10.1103/PhysRevC.93.024610

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 gamma-ray production cross section for the 477.6- keV 1/2(-) -> 3/2(g.s.)(-) transition in Li-7 following inelastic neutron scattering has been measured from the reaction threshold up to 18 MeV. This cross section is interesting as a possible standard for other gamma- ray production cross-section measurements. The experiment was conducted at the GELINA pulsed white neutron source with the GAINS spectrometer consisting of 12 high-purity germanium detectors. The time-of-flight method was used for neutron energy determination. The sample was an optical-quality lithium fluoride disk and the neutron flux was monitored using a U-235 fission chamber. Previous measurements of this cross section are reviewed and compared with our results. Recently, the examined cross section has been calculated using the continuum-discretized coupled-channels method. The results are found to be in reasonable agreement with the experimental data.

引用

页数：8

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