GRAZING-INCIDENCE PROMPT GAMMA EMISSIONS AND RESONANCE-ENHANCED NEUTRON STANDING WAVES IN A THIN-FILM

被引：40

作者：

ZHANG, H ^{[1
]}

GALLAGHER, PD

SATIJA, SK

LINDSTROM, RM

PAUL, RL

RUSSELL, TP

LAMBOOY, P

KRAMER, EJ

机构：

[1] NATL INST SCI & TECHNOL, DIV REACTOR RADIAT, GAITHERSBURG, MD 20899 USA

[2] IBM CORP, ALMADEN RES CTR, SAN JOSE, CA 95120 USA

[3] UNIV MARYLAND, DEPT MAT & NUCL ENGN, COLL PK, MD 20742 USA

[4] CORNELL UNIV, DEPT MAT SCI & ENGN, ITHACA, NY 14853 USA

[5] CORNELL UNIV, CTR MAT SCI, ITHACA, NY 14853 USA

[6] NATL INST SCI & TECHN CREAT, DIV INORGAN ANALYT RES, GAITHERSBURG, MD 20899 USA

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.72.3044

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report simultaneous measurements of neutron-capture prompt gamma emissions as well as neutron reflectivity on a polymer film with an embedded Gd layer. Enhanced gamma-ray signals and reduced neutron reflectivity were observed when the neutron standing waves were resonantly amplified in the film. Fitting of both the gamma-ray and reflectivity data is of significant aid in uniquely characterizing the depth profile of the polymer film as well as locating the Gd layer.

引用

页码：3044 / 3047

页数：4

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