Calibration of the Gerda experiment
-
Published:2021-08
Issue:8
Volume:81
Page:
-
ISSN:1434-6044
-
Container-title:The European Physical Journal C
-
language:en
-
Short-container-title:Eur. Phys. J. C
Author:
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.ORCID, 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.,
Abstract
AbstractThe GERmanium Detector Array (Gerda) collaboration searched for neutrinoless double-$$\beta $$
β
decay in $$^{76}$$
76
Ge with an array of about 40 high-purity isotopically-enriched germanium detectors. The experimental signature of the decay is a monoenergetic signal at $$Q_{\beta \beta }$$
Q
β
β
$$=2039.061(7)$$
=
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-$$\beta $$
β
decays allowed by the Standard Model. The energy resolution and stability were determined and monitored as a function of time using data from regular $$^{228}$$
228
Th calibrations. In this work, we describe the calibration process and associated data analysis of the full Gerda dataset, tailored to preserve the excellent resolution of the individual germanium detectors when combining data over several years.
Funder
Russian Foundation for Basic Research Science and Technology Facilities Council Fundacja na rzecz Nauki Polskiej Max-Planck-Gesellschaft H2020 Marie Sklodowska-Curie Actions Bundesministerium für Bildung und Forschung Deutsche Forschungsgemeinschaft Instituto Nazionale di Fisica Nucleare Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Narodowe Centrum Nauki
Publisher
Springer Science and Business Media LLC
Subject
Physics and Astronomy (miscellaneous),Engineering (miscellaneous)
Reference31 articles.
1. R.N. Mohapatra, A.Y. Smirnov, Ann. Rev. Nucl. Part. Sci. 56, 569 (2006). https://doi.org/10.1146/annurev.nucl.56.080805.140534 2. B.J. Mount, M. Redshaw, E.G. Myers, Phys. Rev. C 81, 032501 (2010). https://doi.org/10.1103/PhysRevC.81.032501 3. M. Agostini et al. (GERDA Collaboration), Eur. Phys. J. C 79, 978 (2019). https://doi.org/10.1140/epjc/s10052-019-7353-8 4. A. Domula, M. Hult, Y. Kermaïdic, G. Marissens, B. Schwingenheuer, T. Wester, K. Zuber, Nucl. Instrum. Methods A 891, 106 (2018). https://doi.org/10.1016/j.nima.2018.02.056 5. M. Agostini et al. (GERDA Collaboration), Eur. Phys. J. C 78, 388 (2018). https://doi.org/10.1140/epjc/s10052-018-5812-2
Cited by
9 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献
|
|