Neutron interactions as seen by a segmented germanium detector

被引：0

作者：

I. Abt

A. Caldwell

K. Kröninger

J. Liu

X. Liu

B. Majorovits

机构：

[1] Max-Planck-Institut für Physik,

来源：

The European Physical Journal A | 2008年 / 36卷

关键词：

23.40.-s β decay; double β decay; electron and muon capture; 14.60.Pq Neutrino mass and mixing; 28.20.-v Neutron physics; 29.40.-n Radiation detectors;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The GERmanium Detector Array (GERDA) is designed for the search for “neutrinoless double-beta decay” ( 0ν2β with germanium detectors enriched in 76Ge . 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：10

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