COMPTON-SUPPRESSION TESTS ON GE AND BGO PROTOTYPE DETECTORS FOR GAMMASPHERE

被引：37

作者：

BAXTER, AM

KHOO, TL

BLEICH, ME

CARPENTER, MP

AHMAD, I

JANSSENS, RVF

MOORE, EF

BEARDEN, IG

BEENE, JR

LEE, IY

机构：

[1] PURDUE UNIV,W LAFAYETTE,IN 47907

[2] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1992年 / 317卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(92)90597-W

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Measurements are described of the Compton suppression of two prototype detectors for GAMMASPHERE. The prototypes consist of a large (75% efficient) n-type germanium detector with a BGO Compton-suppression shield. A peak-to-total ratio of 0.678(2) is achieved with a Co-60 source. This is the best ratio reported to date for a detector of this kind. The results are compared with those obtained from Monte Carlo simulations. The simulations can predict the observed peak-to-total ratios if a significant background from scattered photons is included.

引用

页码：101 / 110

页数：10

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