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Physics > Instrumentation and Detectors

Title: Pulse Shapes in High Purity Germanium Point Contact Detectors with Low Net Impurity Concentration

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
Subjects: Instrumentation and Detectors (physics.ins-det)
Cite as: arXiv:1803.06999 [physics.ins-det]
  (or arXiv:1803.06999v1 [physics.ins-det] for this version)

Submission history

From: Susanne Mertens Dr. [view email]
[v1] Mon, 19 Mar 2018 15:48:49 GMT (720kb,D)