Neutron interactions as seen by a segmented germanium detector

被引：13

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 A | 2008年 / 36卷 / 02期

关键词：

D O I：

10.1140/epja/i2007-10553-8

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The GERmanium Detector Array (GERDA) is designed for the search for "neutrinoless double-beta decay" (0 nu 2 beta) with germanium detectors enriched in (76)supercript stopGe . An 18-fold-segmented prototype detector for GERDA Phase II was exposed to an AmBe neutron source to improve the understanding of neutron-induced backgrounds. Neutron interactions with the germanium isotopes themselves and in the surrounding materials were studied. Segment information is used to identify neutron-induced peaks in the recorded energy spectra. The Geant4-based simulation package MaGe is used to simulate the experiment. Though many photon peaks from germanium isotopes excited by neutrons are correctly described by Geant4, some physics processes were identified as being incorrectly treated or even missing.

引用

页码：139 / 149

页数：11

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