Calibration of the Gerda experiment
- Agostini, M.
- Araujo, G.
- Bakalyarov, A. M.
- Balata, M.
- Barabanov, I.
- Baudis, L.
- Bauer, C.
- Bellotti, E.
- Belogurov, S.
- Bettini, A.
- Bezrukov, L.
- Biancacci, V.
- Bossio, E.
- Bothe, V.
- Brudanin, V.
- Brugnera, R.
- Caldwell, A.
- Cattadori, C.
- Chernogorov, A.
- Comellato, T.
- D’Andrea, V.
- Demidova, E. V.
- Marco, N. Di
- Doroshkevich, E.
- Fischer, F.
- Fomina, M.
- Gangapshev, A.
- Garfagnini, A.
- Gooch, C.
- Grabmayr, P.
- Gurentsov, V.
- Gusev, K.
- Hakenmüller, J.
- Hemmer, S.
- Hiller, R.
- Hofmann, W.
- Huang, J.
- Hult, M.
- Inzhechik, L. V.
- Csáthy, J. Janicskó
- Jochum, J.
- Junker, M.
- Kazalov, V.
- Kermaïdic, Y.
- Khushbakht, H.
- Kihm, T.
- Kirpichnikov, I. V.
- Klimenko, A.
- Kneißl, R.
- Knöpfle, K. T.
- Kochetov, O.
- Kornoukhov, V. N.
- Krause, P.
- Kuzminov, V. V.
- Laubenstein, M.
- Lindner, M.
- Lippi, I.
- Lubashevskiy, A.
- Lubsandorzhiev, B.
- Lutter, G.
- Macolino, C.
- Majorovits, B.
- Maneschg, W.
- Manzanillas, L.
- Miloradovic, M.
- Mingazheva, R.
- Misiaszek, M.
- Moseev, P.
- Müller, Y.
- Nemchenok, I.
- Pandola, L.
- Pelczar, K.
- Pertoldi, L.
- Piseri, P.
- Pullia, A.
- Ransom, C.
- Rauscher, L.
- Riboldi, S.
- Rumyantseva, N.
- Sada, C.
- Salamida, F.
- Schönert, S.
- Schreiner, J.
- Schütt, M.
- Schütz, A-K.
- Schulz, O.
- Schwarz, M.
- Schwingenheuer, B.
- Selivanenko, O.
- Shevchik, E.
- Shirchenko, M.
- Shtembari, L.
- Simgen, H.
- Smolnikov, A.
- Stukov, D.
- Vasenko, A. A.
- Veresnikova, A.
- Vignoli, C.
- von Sturm, K.
- Wester, T.
- Wiesinger, C.
- Wojcik, M.
- Yanovich, E.
- Zatschler, B.
- Zhitnikov, I.
- Zhukov, S. V.
- Zinatulina, D.
- Zschocke, A.
- Zsigmond, A. J.
- Zuber, K.
- Zuzel, G.
DOIAbstract
The GERmanium Detector Array (Gerda) collaboration searched for neutrinoless double-beta decay in Ge-76 with an array of about 40 high-purity isotopically-enriched germanium detectors. The experimental signature of the decay is a monoenergetic signal at Q(beta beta) = 2039.061(7) keV in the measured summed energy spectrum of the two emitted electrons. Both the energy reconstruction and resolution of the germanium detectors are crucial to separate a potential signal from various backgrounds, such as neutrino-accompanied double-beta decays allowed by the Standard Model. The energy resolution and stability were determined and monitored as a function of time using data from regular Th-228 calibrations. In this work, we describe the calibration ...
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