Test of pulse shape analysis using single Compton scattering events

被引:7
作者
Abt, I. [1 ]
Caldwell, A. [1 ]
Kroeninger, K. [1 ]
Liu, J. [1 ]
Liu, X. [1 ]
Majorovits, B. [1 ]
机构
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
来源
EUROPEAN PHYSICAL JOURNAL C | 2008年 / 54卷 / 03期
关键词
D O I
10.1140/epjc/s10052-008-0555-0
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Procedures developed to separate single- and multiple-site events in germanium detector are tested with specially selected event samples provided by an 18-fold segmented prototype germanium detector for phase II of the germanium detector array, GERDA. The single Compton scattering, i.e. single-site, events are tagged by coincidently detecting the scattered photon with a second detector positioned at a defined angle. A neural network is trained to separate such events from events which come from multi-site dominated samples. Identification efficiencies of approximate to 80% are achieved for both single- and multi-site events.
引用
收藏
页码:425 / 433
页数:9
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