Results on neutrinoless double-β decay of 76Ge from Phase I of the GERDA 
Experiment

Agostini, M.; Allardt, M.; Andreotti, E.; Bakalyarov, A. M.; Balata, M.; Barabanov, I.; Heider Barnabé, M.; Barros, N.; Baudis, L.; Bauer, C.; Becerici-Schmidt, N.; Bellotti, E.; Belogurov, S.; Belyaev, S. T.; Benato, G.; Bettini, A.; Bezrukov, L.; Bode, T.; Brudanin, V.; Brugnera, R.; Budjáš, D.; Caldwell, A.; Cattadori, C.; Chernogorov, A.; Cossavella, F.; Demidova, E. V.; Domula, A.; Egorov, V.; Falkenstein, R.; Ferella, A.; Freund, K.; Frodyma, N.; Gangapshev, A.; Garfagnini, A.; Gotti, C.; Grabmayr, P.; Gurentsov, V.; Gusev, K.; Guthikonda, K. K.; Hampel, W.; Hegai, A.; Heisel, Mark; Hemmer, S.; Heusser, G.; Hofmann, Werner; Hult, M.; Inzhechik, L. V.; Ioannucci, L.; Csáthy, J. Janicskó; Jochum, J.; Junker, M.; Kihm, T.; Kirpichnikov, I. V.; Kirsch, A.; Klimenko, A.; Knoepfle, Karl Tasso; Kochetov, O.; Kornoukhov, V. N.; Kuzminov, V. V.; Laubenstein, M.; Lazzaro, A.; Lebedev, V. I.; Lehnert, B.; Liao, H. Y.; Lindner, Manfred; Lippi, I.; Liu, X.; Lubashevskiy, Alexey; Lubsandorzhiev, B.; Lutter, G.; Macolino, C.; Machado, A. A.; Majorovits, B.; Maneschg, W.; Misiaszek, M.; Nemchenok, I.; Nisi, S.; O'Shaughnessy, C.; Pandola, L.; Pelczar, K.; Pessina, G.; Potenza, %F.; Pullia, A.; Riboldi, S.; Rumyantseva, N.; Sada, C.; Salathe , M.; Schmitt, C.; Schreiner, Jochen; Schulz, O.; Schwingenheuer, Bernhard; Schönert, Stefan; Shevchik, E.; Shirchenko, M.; Simgen, H.; Smolnikov, A.; Stanco, L.; Strecker, Herbert; Tarka, M.; Ur, C. A.; Vasenko, A. A.; Volynets, O.; von Sturm, K.; Wagner, V.; Walter, M.; Wegmann, Anne; Wester, T.; Wojcik, M.; Yanovich, E.; Zavarise, P.; Zhitnikov, I.; Zhukov, S. V.; Zinatulina, D.; Zuber, K.; Zuzel, G.

doi:10.1103/PhysRevLett.111.122503

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Results on neutrinoless double-β decay of ⁷⁶Ge from Phase I of the GERDA Experiment

Agostini, M., Allardt, M., Andreotti, E., Bakalyarov, A. M., Balata, M., Barabanov, I., et al. (2013). Results on neutrinoless double-β decay of ⁷⁶Ge from Phase I of the GERDA Experiment. Physical Review Letters, 111(12): 122503. doi:10.1103/PhysRevLett.111.122503.

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Agostini, M., Author
Allardt, M., Author
Andreotti, E., Author
Bakalyarov, A. M., Author
Balata, M., Author
Barabanov, I., Author
Heider Barnabé, M. , Author
Barros, N., Author
Baudis, L., Author
Bauer, C., Author
Becerici-Schmidt, N., Author
Bellotti, E., Author
Belogurov, S., Author
Belyaev, S. T., Author
Benato, G., Author
Bettini, A., Author
Bezrukov, L., Author
Bode, T., Author
Brudanin, V., Author
Brugnera, R., Author
Budjáš, D., AuthorCaldwell, A., AuthorCattadori, C., AuthorChernogorov, A., AuthorCossavella, F., AuthorDemidova, E. V., AuthorDomula, A., AuthorEgorov, V., AuthorFalkenstein, R., AuthorFerella, A., AuthorFreund, K., AuthorFrodyma, N., AuthorGangapshev, A., AuthorGarfagnini, A., AuthorGotti, C., AuthorGrabmayr, P., AuthorGurentsov, V., AuthorGusev, K., AuthorGuthikonda, K. K., AuthorHampel, W., AuthorHegai, A., AuthorHeisel, Mark¹, Author Hemmer, S., AuthorHeusser, G., AuthorHofmann, Werner², Author Hult, M., AuthorInzhechik, L. V., AuthorIoannucci, L., AuthorCsáthy, J. Janicskó, AuthorJochum, J., AuthorJunker, M., AuthorKihm, T., AuthorKirpichnikov, I. V., AuthorKirsch, A., AuthorKlimenko, A., AuthorKnoepfle, Karl Tasso², Author Kochetov, O., AuthorKornoukhov, V. N., AuthorKuzminov, V. V., AuthorLaubenstein, M., AuthorLazzaro, A., AuthorLebedev, V. I., AuthorLehnert, B., AuthorLiao, H. Y., AuthorLindner, Manfred¹, Author Lippi, I., AuthorLiu, X., AuthorLubashevskiy, Alexey¹, Author Lubsandorzhiev, B., AuthorLutter, G., AuthorMacolino, C., AuthorMachado, A. A., AuthorMajorovits, B., AuthorManeschg, W.¹, Author Misiaszek, M., AuthorNemchenok, I., AuthorNisi, S., AuthorO'Shaughnessy, C., AuthorPandola, L., AuthorPelczar, K., AuthorPessina, G., AuthorPotenza, %F., AuthorPullia, A., AuthorRiboldi, S., AuthorRumyantseva, N., AuthorSada, C., AuthorSalathe , M., AuthorSchmitt, C., AuthorSchreiner, Jochen¹, Author Schulz, O., AuthorSchwingenheuer, Bernhard², Author Schönert, Stefan¹, Author Shevchik, E., AuthorShirchenko, M., AuthorSimgen, H., AuthorSmolnikov, A., AuthorStanco, L., AuthorStrecker, Herbert¹, Author Tarka, M., AuthorUr, C. A., AuthorVasenko, A. A., AuthorVolynets, O., Authorvon Sturm, K., AuthorWagner, V., AuthorWalter, M., AuthorWegmann, Anne¹, Author Wester, T., AuthorWojcik, M., AuthorYanovich, E., AuthorZavarise, P., AuthorZhitnikov, I., AuthorZhukov, S. V., AuthorZinatulina, D., AuthorZuber, K., AuthorZuzel, G., Author more..

Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549
2Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550

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Free keywords: Nuclear Experiment, nucl-ex,High Energy Physics - Experiment, hep-ex,High Energy Physics - Phenomenology, hep-ph

MPINP: GERDA - Abteilung Hofmann

Abstract: Neutrinoless double beta decay is a process that violates lepton number conservation. It is predicted to occur in extensions of the Standard Model of particle physics. This Letter reports the results from Phase I of the GERmanium Detector Array (GERDA) experiment at the Gran Sasso Laboratory (Italy) searching for neutrinoless double beta decay of the isotope 76Ge. Data considered in the present analysis have been collected between November 2011 and May 2013 with a total exposure of 21.6 kgyr. A blind analysis is performed. The background index is about 1.10^{-2} cts/(keV kg yr) after pulse shape discrimination. No signal is observed and a lower limit is derived for the half-life of neutrinoless double beta decay of 76Ge, T_1/2 > 2.1 10^{25} yr (90% C.L.). The combination with the results from the previous experiments with 76Ge yields T_1/2 > 3.0 10^{25} yr (90% C.L.).

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Language(s): eng - English

Dates: Created: 2013-07-17Date issued: 2013-09-19

Publication Status: Issued

Pages: 6 pages, 2 figures

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Identifiers: arXiv: 1307.4720
DOI: 10.1103/PhysRevLett.111.122503

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Title: Physical Review Letters

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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.

Pages: - Volume / Issue: 111 (12) Sequence Number: 122503 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1