# 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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7 citations in Web of Science®
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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 2015 18 Feb 2016 11:27 08 Dec 2017 18:38 Springer 1434-6044 Publisher DOI. An embargo period may apply. https://doi.org/10.1140/epjc/s10052-015-3409-6 arXiv:1502.04392v1