Characterization of high purity germanium point contact detectors with low net impurity concentration

S. Mertens, A. Hegai, D. C. Radford, N. Abgrall, Y. D. Chan, R. D. Martin, A. W.P. Poon, C. Schmitt

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

8 Zitate (Scopus)

Abstract

High Purity germanium point-contact detectors have low energy thresholds and excellent energy resolution over a wide energy range, and are thus widely used in nuclear and particle physics. In rare event searches, such as neutrinoless double beta decay, the point-contact geometry is of particular importance since it allows for pulse-shape discrimination, and therefore for a significant background reduction. In this paper we investigate the pulse-shape discrimination performance of ultra-high purity germanium point contact detectors. It is demonstrated that a minimal net impurity concentration is required to meet the pulse-shape performance requirements.

OriginalspracheEnglisch
Seiten (von - bis)81-88
Seitenumfang8
FachzeitschriftNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Jahrgang921
DOIs
PublikationsstatusVeröffentlicht - 21 März 2019

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