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Characterization of 3076Ge enriched Broad Energy Ge detectors for GERDA Phase II

Baudis, L; Hiller, Roman; Mingazheva, Rizalina; Miloradovic, Michael; Benato, Giovanni; Kish, A; Ransom, Chloe; et al (2019). Characterization of 3076Ge enriched Broad Energy Ge detectors for GERDA Phase II. European Physical Journal C - Particles and Fields, 79(11):978.

Abstract

The GERmanium Detector Array (Gerda) is a low background experiment located at the Laboratori Nazionali del Gran Sasso in Italy, which searches for neutrinoless double-beta decay of 76Ge into 76Se + 2e−. Gerda has been conceived in two phases. Phase II, which started in December 2015, features several novelties including 30 new 76Ge enriched detectors. These were manufactured according to the Broad Energy Germanium (BEGe) detector design that has a better background discrimination capability and energy resolution compared to formerly widely-used types. Prior to their installation, the new BEGe detectors were mounted in vacuum cryostats and characterized in detail in the Hades underground laboratory in Belgium. This paper describes the properties and the overall performance of these detectors during operation in vacuum. The characterization campaign provided not only direct input for GerdaPhase II data collection and analyses, but also allowed to study detector phenomena, detector correlations as well as to test the accuracy of pulse shape simulation codes.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Engineering (miscellaneous)
Physical Sciences > Physics and Astronomy (miscellaneous)
Uncontrolled Keywords:Physics and Astronomy (miscellaneous), Engineering (miscellaneous)
Language:English
Date:1 November 2019
Deposited On:09 Jan 2020 11:27
Last Modified:22 Oct 2024 01:38
Publisher:Springer
ISSN:1434-6044
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-019-7353-8
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  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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