A RUGGEDIZED ZNS(AG)/EPOXY ALPHA-SCINTILLATION DETECTOR

被引：13

作者：

MCELHANEY, SA

RAMSEY, JA

BAUER, ML

CHILES, MM

机构：

[1] Oak Ridge National Laboratory, Oak Ridge, TN 37830-6006

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1990年 / 299卷 / 1-3期

关键词：

D O I：

10.1016/0168-9002(90)90758-X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An alpha scintillation survey instrument has been developed which is more rugged and efficient than conventional alpha scintillation detectors that use aluminized Mylar ** radiation entrance windows. This new detector consists of a mixture of ZnS(Ag) phosphor and optically transparent epoxy. The scintillator mixture is poured into a preformed mold to provide a thin layer of phosphor after the particles settle to the clear epoxy surface. After partial curing, an optically transparent light pipe is coupled to the ZnS(Ag)/epoxy film by using an additional thin epoxy layer, forming a monolithic scintillator assembly. Experimental results indicate that the new probe is 44% efficient (2-pi) for a large-area Pu-239 alpha source; resistant to scratches, tears, and corrosives; watertight; and temperature independent between -20-degrees-C and 54-degrees-C.

引用

页码：111 / 114

页数：4