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
收藏
页码：101 / 110
页数：10
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