Design and demonstration of a quasi-monoenergetic neutron source

被引：5

作者：

Joshi, T. H. ^{[1
,2
]}

Sangiorgio, S. ^{[2
]}

Mozin, V. ^{[2
]}

Norman, E. B. ^{[1
,2
]}

Sorensen, P. ^{[2
]}

Foxe, M. ^{[2
,3
]}

Bench, G. ^{[2
]}

Bernstein, A. ^{[2
]}

机构：

[1] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA

[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[3] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2014年 / 333卷

关键词：

Neutron source; Neutron filter; Li-7; (p; n)Be-7; reaction; Nuclear recoil; GE-73; ATOMS; IONIZATION; DETECTOR;

D O I：

10.1016/j.nimb.2014.04.008

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The design of a neutron source capable of producing 24 and 70 keV neutron beams with narrow energy spread is presented. The source exploits near-threshold kinematics of the Li-7 (p,n)Be-7 reaction while taking advantage of the interference 'notches' found in the scattering cross-sections of iron. The design was implemented and characterized at the Center for Accelerator Mass Spectrometry at Lawrence Livermore National Laboratory. Alternative filters such as vanadium and manganese are also explored and the possibility of studying the response of different materials to low-energy nuclear recoils using the resultant neutron beams is discussed. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：6 / 11

页数：6

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