RADIATION-DAMAGE IN LARGE-VOLUME N-TYPE AND P-TYPE HIGH-PURITY GERMANIUM DETECTORS IRRADIATED BY 1.5 GEV PROTONS

被引：14

作者：

KOENEN, M ^{[1
]}

BRUCKNER, J ^{[1
]}

KORFER, M ^{[1
]}

TAYLOR, I ^{[1
]}

WANKE, H ^{[1
]}

机构：

[1] PRINCETON GAMMA TECH,PRINCETON,NJ 08540

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1995年 / 42卷 / 04期

关键词：

D O I：

10.1109/23.467896

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Excellent energy resolution makes germanium detectors prime candidates for gamma-ray spectroscopy in space missions. We present a study of several large-volume n-type and p-type high purity germanium (HPGe) detectors that were damaged by 1.5 GeV protons and examine their performance as function of fluence, operating and anneal temperature, and time. n-type detectors exhibit essential advantages for space applications over p-type detectors. Annealing at about 110 K for both detector types was observed as well as resolution transients up to 134 K. We discuss the observed radiation effects with respect to existing models and show their limitations.

引用

页码：653 / 658

页数：6

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