NEUTRON-CAPTURE PROMPT GAMMA-RAY ACTIVATION-ANALYSIS AT THE NIST COLD NEUTRON RESEARCH FACILITY

被引：36

作者：

LINDSTROM, RM

ZEISLER, R

VINCENT, DH

GREENBERG, RR

STONE, CA

MACKEY, EA

ANDERSON, DL

CLARK, DD

机构：

[1] US FDA,WASHINGTON,DC 20204

[2] CORNELL UNIV,ITHACA,NY 14853

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1993年 / 167卷 / 01期

关键词：

D O I：

10.1007/BF02035470

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An instrument for neutron capture prompt gamma-ray activation analysis (PGAA) has been constructed as part of the Cold Neutron Research Facility at the 20 MW National Institute of Standards and Technology Research Reactor. The neutron fluence rate (thermal equivalent) is 1.5 . 10(8) n . cm-2 . s-1, with negligible fast neutrons and gamma-rays. With compact geometry and hydrogen-free construction, the sensitivity is sevenfold better than an existing thermal instrument. Hydrogen background is thirtyfold lower.

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页码：121 / 126

页数：6

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