Improvement of the Energy Resolution via an Optimized Digital Signal Processing in GERDA Phase I

Gerda, Collaboration; Agostini, Matteo; Allardt, M.; Bakalyarov, A. M.; Balata, M.; Barabanov, I.; Barros, N.; Baudis, Laura; Bauer, C.; Becerici-Schmidt, N.; Bellotti, E.; Belogurov, S.; Belyaev, S. T.; Benato, G.; Bettini, Alessandro; Bezrukov, L.; Bode, T.; Borowicz, Dariusz; Brudanin, V.; Brugnera, Riccardo; di Vacri, Assunta; Budjáš, D.; Caldwell, A.; Cattadori, C.; Chernogorov, A.; D’Andrea, V.; Vacri, A. di; Demidova, E. V.; Domula, A.; Doroshkevich, E.; Egorov, V.; D'Andrea,; Falkenstein, Raphael; Fedorova, O.; Freund, Kai; Frodyma, Nikodem; Gangapshev, A.; Garfagnini, Alberto; Grabmayr, Peter; Gurentsov, V.; Gusev, K.; Hegai, Alexander; Heisel, M.; Hemmer, S.; Heusser, G.; Hofmann, W.; Hult, M.; Inzhechik, L. V.; Janicskó Csáthy, J.; Jochum, Josef; Junker, M.; Kazalov, V.; Kihm, Thomas; Kirpichnikov, I. V.; Kirsch, A.; Klimenko, A.; Knöpfle, K. T.; Kochetov, O.; Kornoukhov, V. N.; Laubenstein, M.; Kuzminov, V. V.; ********************M, Laubenstein; Lazzaro, Andrea; Lebedev, V. I.; Lehnert, Bjoern; Liao, H. Y.; Lindner, Manfred; Lippi, I.; Lubashevskiy, A.; Lubsandorzhiev, B.; Lutter, G.; Macolino, C.; Majorovits, B.; Maneschg, W.; Medinaceli, E.; Misiaszek, Marcin; Csáthy, J. Janicskó; Moseev, P.; Nemchenok, I.; Palioselitis, D.; Panas, Krzysztof; Pandola, Luciano; Pelczar, Krzysztof; Pullia, A.; Riboldi, S.; Rumyantseva, N.; Sada, C.; Salathe, M.; Schmitt, Christopher; Schneider, B.; Schönert, S.; Selivanenko, O.; Schreiner, J.; Shirchenko, M.; Schütz, Ann-Kathrin; Simgen, Hardy; Schulz, Oliver; Schwingenheuer, B.; Smolnikov, A.; Stanco, Luca; Stepaniuk, M.; Ur, C. A.; Vanhoefer, L.; Vasenko, A. A.; Veresnikova, Anna; von Sturm, K.; Wagner, V.; Walter, Manuel; Wegmann, A.; Wester, T.; Wilsenach, H.; Wojcik, Marcin; Yanovich, E.; Zavarise, P.; Zhitnikov, I.; Zhukov, S. V.; Zinatulina, D.; Zuber, K.; Zuzel, Grzegorz

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SpringerOpen, The European Physical Journal C, 6(75), 2015

DOI: 10.1140/epjc/s10052-015-3409-6

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Improvement of the Energy Resolution via an Optimized Digital Signal Processing in GERDA Phase I

Journal article published in 2015 by Collaboration Gerda, Matteo Agostini, M. Allardt, A. M. Bakalyarov, M. Balata, I. Barabanov, N. Barros, Laura Baudis, C. Bauer, N. Becerici-Schmidt, E. Bellotti, S. Belogurov, S. T. Belyaev, G. Benato

, Alessandro Bettini and other authors.

This paper is made freely available by the publisher.

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Abstract

An optimized digital shaping filter has been developed for the GERDA experiment which searches for neutrinoless double beta decay in 76Ge. The GERDA Phase I energy calibration data have been reprocessed and an average improvement of 0.3 keV in energy resolution (FWHM) at the 76Ge Q value for 0νββ decay is obtained. This is possible thanks to the enhanced low-frequency noise rejection of this Zero Area Cusp (ZAC) signal shaping fillter. ; Comment: 12 pages, 16 figures

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Improvement of the Energy Resolution via an Optimized Digital Signal Processing in GERDA Phase I

Abstract