학술논문
Improvement of the energy resolution via an optimized digital signal processing in GERDA Phase I
Document Type
article
Author
GERDA Collaboration; Agostini, M; Allardt, M; Bakalyarov, AM; Balata, M; Barabanov, I; Barros, N; Baudis, L; Bauer, C; Becerici-Schmidt, N; Bellotti, E; Belogurov, S; Belyaev, ST; Benato, G; Bettini, A; Bezrukov, L; Bode, T; Borowicz, D; Brudanin, V; Brugnera, R; Budjáš, D; Caldwell, A; Cattadori, C; Chernogorov, A; D’Andrea, V; Demidova, EV; Vacri, A di; Domula, A; Doroshkevich, E; Egorov, V; Falkenstein, R; Fedorova, O; Freund, K; Frodyma, N; Gangapshev, A; Garfagnini, A; Grabmayr, P; Gurentsov, V; Gusev, K; Hegai, A; Heisel, M; Hemmer, S; Heusser, G; Hofmann, W; Hult, M; Inzhechik, LV; Janicskó Csáthy, J; Jochum, J; Junker, M; Kazalov, V; Kihm, T; Kirpichnikov, IV; Kirsch, A; Klimenko, A; Knöpfle, KT; Kochetov, O; Kornoukhov, VN; Kuzminov, VV; Laubenstein, M; Lazzaro, A; Lebedev, VI; Lehnert, B; Liao, HY; Lindner, M; Lippi, I; Lubashevskiy, A; Lubsandorzhiev, B; Lutter, G; Macolino, C; Majorovits, B; Maneschg, W; Medinaceli, E; Misiaszek, M; Moseev, P; Nemchenok, I; Palioselitis, D; Panas, K; Pandola, L; Pelczar, K; Pullia, A; Riboldi, S; Rumyantseva, N; Sada, C; Salathe, M; Schmitt, C; Schneider, B; Schönert, S; Schreiner, J; Schütz, A-K; Schulz, O; Schwingenheuer, B; Selivanenko, O; Shirchenko, M; Simgen, H; Smolnikov, A; Stanco, L; Stepaniuk, M; Ur, CA; Vanhoefer, L; Vasenko, AA
Source
European Physical Journal C. 75(6)
Subject
Language
Abstract
An optimized digital shaping filter has been developed for the Gerda experiment which searches for neutrinoless double beta decay in $$^{76}$$76Ge. The Gerda Phase I energy calibration data have been reprocessed and an average improvement of 0.3 keV in energy resolution (FWHM) corresponding to 10 % at the $$Q$$Q value for $$0u \beta \beta $$0νββ decay in $$^{76}$$76Ge is obtained. This is possible thanks to the enhanced low-frequency noise rejection of this Zero Area Cusp (ZAC) signal shaping filter.