SIMULTANEOUS COUNTING OF ALPHA-RAYS, BETA-RAYS AND GAMMA-RAYS WITH PHOSWICH DETECTORS

被引：12

作者：

USUDA, S

ABE, H

MIHARA, A

机构：

[1] Japan Atomic Energy Research Institute, Naka-gun, Ibaraki-ken, 319-11, Tokai-mura

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1994年 / 213卷

关键词：

D O I：

10.1016/0925-8388(94)90954-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Phoswich detectors for simultaneous counting of alpha, beta and gamma rays have been developed, which were prepared by combining two or three scintillators, ZnS(Ag), NE102A and/or BGO or NaI(TI), with different rise times from each other. In order to adjust the pulse height ascribed to each scintillator within a dynamic range, a sheet of Au-Mylar was used, if necessary, as an optical neutral density filter for lowering the transmittance of scintillation of the ZnS(Ag). Characteristics of these phoswiches were examined by a pulse shape discrimination technique. Excellent discrimination among the radiations was attained for the prepared phoswiches.

引用

页码：437 / 439

页数：3

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