Neutron-induced nuclear reactions and degradation in germanium detectors

被引：13
作者：
Leleux, P [1 ]
Albernhe, F
Borrel, V
Cordier, B
Coszach, R
Crespin, S
Denis, JM
Duhamel, P
Frabel, P
Galster, W
Graulich, JS
Jean, P
Kandel, B
Meulders, JP
Tauzin, G
Vanhorenbeeck, J
Vedrenne, G
von Ballmoos, P
机构：
[1] Univ Catholique Louvain, Inst Phys Nucl, B-1348 Louvain, Belgium
[2] Univ Toulouse 3, Inst Univ Technol, F-31077 Toulouse, France
[3] Univ Toulouse 3, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse, France
[4] CEA Saclay, DSM DAPNIA SAP, F-91191 Gif Sur Yvette, France
[5] CEA Bruyeres, DAM DPTA, F-91180 Bruyeres Le Chatel, France
[6] Free Univ Brussels, Inst Astron & Astrophys, B-1050 Brussels, Belgium
来源：
ASTRONOMY & ASTROPHYSICS | 2003年 / 411卷 / 01期
关键词：
neutron-induced background; neutron damage;
D O I：
10.1051/0004-6361:20031366
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have measured cross sections of neutron-induced nuclear reactions leading to the delayed production of gamma-ray lines similar to the ones of astrophysical interest. Conclusions were drawn concerning the expected background in the Al-26 1809 keV line and the Be-7 478 keV line in SPI. The neutron-induced degradation of Ge detectors was studied vs. the neutron energy, the neutron fluence and the detector temperature. Performance recovery of the detectors was studied for different annealing temperatures. Optimum temperature and times for annealing were determined.
引用
收藏
页码：L85 / L90
页数：6
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