physics.ins-det

Title:Characterization of a large CdZnTe coplanar quad-grid semiconductor detector

Abstract: The COBRA collaboration aims to search for neutrinoless double beta-decay of $^{116}$Cd. A demonstrator setup with 64 CdZnTe semiconductor detectors, each with a volume of 1cm$^3$, is currently being operated at the LNGS underground laboratory in Italy. This paper reports on the characterization of a large (2 $\times$ 2 $\times$ 1.5)cm$^3$ CdZnTe detector with a new coplanar-grid design for applications in $\gamma$-ray spectroscopy and low-background operation. Several studies of electric properties as well as of the spectrometric performance, like energy response and resolution, are conducted. Furthermore, measurements including investigating the operational stability and a possibility to identify multiple-scattered photons are presented.
 Comments: 12 pages, 21 figures, updated according to journal Subjects: Instrumentation and Detectors (physics.ins-det); Nuclear Experiment (nucl-ex) Journal reference: Nuclear Inst. and Methods in Physics Research, A (2016), pp. 159-168 DOI: 10.1016/j.nima.2015.09.116 Cite as: arXiv:1509.02361 [physics.ins-det] (or arXiv:1509.02361v2 [physics.ins-det] for this version)

Submission history

From: Robert Theinert [view email]
[v1] Tue, 8 Sep 2015 13:21:17 UTC (1,074 KB)
[v2] Thu, 11 Feb 2016 11:52:32 UTC (1,191 KB)
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