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Improvement of the energy resolution via an optimized digital signal processing in GERDA Phase I


GERDA Collaboration; Agostini, M; Allardt, M; Bakalyarov, A M; Baudis, L; Benato, G; Walter, M; et al (2015). Improvement of the energy resolution via an optimized digital signal processing in GERDA Phase I. European Physical Journal C - Particles and Fields, 75(6):255.

Abstract

An optimized digital shaping filter has been developed for the GERDA experiment which searches for neutrinoless double beta decay in $^{76}$Ge. The GERDA Phase I energy calibration data have been reprocessed and an average improvement of 0.3 keV in energy resolution (FWHM) at the $^{76}$Ge Q value for $0\nu\beta\beta$ decay is obtained. This is possible thanks to the enhanced low-frequency noise rejection of this Zero Area Cusp (ZAC) signal shaping fillter.

Abstract

An optimized digital shaping filter has been developed for the GERDA experiment which searches for neutrinoless double beta decay in $^{76}$Ge. The GERDA Phase I energy calibration data have been reprocessed and an average improvement of 0.3 keV in energy resolution (FWHM) at the $^{76}$Ge Q value for $0\nu\beta\beta$ decay is obtained. This is possible thanks to the enhanced low-frequency noise rejection of this Zero Area Cusp (ZAC) signal shaping fillter.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2015
Deposited On:18 Feb 2016 11:27
Last Modified:08 Dec 2017 18:38
Publisher:Springer
ISSN:1434-6044
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-015-3409-6
Other Identification Number:arXiv:1502.04392v1

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