A facility for measurements of (n,γ) cross-sections of a nucleus in the range 0.008 ≤ En < 20 MeV

被引：2

作者：

Segawa, M. ^{[1
]}

Toh, Y. ^{[2
]}

Harada, H. ^{[2
]}

Kitatani, F. ^{[2
]}

Koizumi, M. ^{[2
]}

Hatsukawa, Y. ^{[1
]}

Fukahori, T. ^{[2
]}

Matsue, H. ^{[1
]}

Oshima, M. ^{[2
]}

Tanimura, Y. ^{[3
]}

Tsutsumi, M. ^{[3
]}

Nagai, Y. ^{[2
,4
]}

机构：

[1] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Tokai, Ibaraki 3191195, Japan

[2] Japan Atom Energy Agcy, Nucl Sci & Engn Directorate, Tokai, Ibaraki 3191195, Japan

[3] Japan Atom Energy Agcy, Dept Radiat Protect, Tokai, Ibaraki 3191195, Japan

[4] Osaka Univ, Nucl Phys Res Ctr, Osaka 5670047, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 618卷 / 1-3期

关键词：

Radiative capture; Spectroscopy with light ions; Neutron spectroscopy; X- and gamma-ray spectroscopy; Scintillation detectors; RESONANCE NEUTRON-CAPTURE; C-12(N; GAMMA)C-13; REACTION; GIANT-RESONANCE; STELLAR ENERGY; P-WAVE; PB-208; SPECTROMETER; TRANSITIONS; MECHANISM; ISOTOPES;

D O I：

10.1016/j.nima.2010.03.127

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new measurement system to determine the neutron-capture cross-sections of a nucleus at 0.008 <= E-n < 20 MeV has been installed at the 4 MV Pelletron accelerator laboratory at the facility of radiation standards at Japan Atomic Energy Agency. The performance of the new system was studied by measuring the neutron-capture reaction cross-section of Pb-nat using pulsed neutrons from Li-7(p,n)Be-7 at 12 <= E-n <= 103 keV. Prompt gamma-rays from the reaction were detected by means of a highly sensitive anti-Compton Nal(Tl) spectrometer combined with a time-of-flight method. The obtained result demonstrated good sensitivity of the new system to determine the neutron-capture cross-sections of a nucleus at kiloelectron volt neutron energy. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：153 / 159

页数：7

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A facility for measurements of (n,γ) cross-sections of a nucleus in the range 0.008 ≤ En &lt; 20 MeV

A facility for measurements of (n,γ) cross-sections of a nucleus in the range 0.008 ≤ En < 20 MeV