Final Results of GERDA on the Search for Neutrinoless Double-beta Decay

GERDA collaboration,; Agostini, M.; Araujo, G.R.; Bakalyarov, A.M.; Balata, M.; Barabanov, I.; Baudis, L.; Bauer, C.; Bellotti, E.; Belogurov, S.; Bettini, A.; Bezrukov, L.; Biancacci, V.; Borowicz, D.; Bossio, E.; Bothe, V.; Brudanin, V.; Brugnera, R.; Caldwell, A.; Cattadori, C.; Chernogorov, A.; Comellato, T.; D'Andrea, V.; Demidova, E.V.; Di Marco, N.; 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.; Janicskó Csáthy, J.; 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.; Lazzaro, A.; 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.; Panas, K.; 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.; Veresnikova, A.A.Vasenko 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.

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Final Results of GERDA on the Search for Neutrinoless Double-beta Decay

GERDA collaboration, Agostini, M., Araujo, G., Bakalyarov, A., Balata, M., Barabanov, I., et al. (2020). Final Results of GERDA on the Search for Neutrinoless Double-beta Decay. Physical Review Letters, 125, 252502. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-317.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-1AE3-B Version Permalink: https://hdl.handle.net/21.11116/0000-0008-1AE4-A

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GERDA collaboration¹, Author
Agostini, M.¹, Author
Araujo, G.R.¹, Author
Bakalyarov, A.M.¹, Author
Balata, M.¹, Author
Barabanov, I.¹, Author
Baudis, L.¹, Author
Bauer, C.¹, Author
Bellotti, E.¹, Author
Belogurov, S.¹, Author
Bettini, A.¹, Author
Bezrukov, L.¹, Author
Biancacci, V.¹, Author
Borowicz, D.¹, Author
Bossio, E.¹, Author
Bothe, V.¹, Author
Brudanin, V.¹, Author
Brugnera, R.¹, Author
Caldwell, A.¹, Author
Cattadori, C.¹, Author
Chernogorov, A.¹, AuthorComellato, T.¹, AuthorD'Andrea, V.¹, AuthorDemidova, E.V.¹, AuthorDi Marco, N.¹, AuthorDoroshkevich, E.¹, AuthorFischer, F.¹, AuthorFomina, M.¹, AuthorGangapshev, A.¹, AuthorGarfagnini, A.¹, AuthorGooch, C.¹, AuthorGrabmayr, P.¹, AuthorGurentsov, V.¹, AuthorGusev, K.¹, AuthorHakenmüller, J.¹, AuthorHemmer, S.¹, AuthorHiller, R.¹, AuthorHofmann, W.¹, AuthorHuang, J.¹, AuthorHult, M.¹, AuthorInzhechik, L.V.¹, AuthorJanicskó Csáthy, J.¹, AuthorJochum, J.¹, AuthorJunker, M.¹, AuthorKazalov, V.¹, AuthorKermaïdic, Y.¹, AuthorKhushbakht, H.¹, AuthorKihm, T.¹, AuthorKirpichnikov, I.V.¹, AuthorKlimenko, A.¹, AuthorKneißl, R.¹, AuthorKnöpfle, K.T.¹, AuthorKochetov, O.¹, AuthorKornoukhov, V.N.¹, AuthorKrause, P.¹, AuthorKuzminov, V.V.¹, AuthorLaubenstein, M.¹, AuthorLazzaro, A.¹, AuthorLindner, M.¹, AuthorLippi, I.¹, AuthorLubashevskiy, A.¹, AuthorLubsandorzhiev, B.¹, AuthorLutter, G.¹, AuthorMacolino, C.¹, AuthorMajorovits, B.¹, AuthorManeschg, W.¹, AuthorManzanillas, L.¹, AuthorMiloradovic, M.¹, AuthorMingazheva, R.¹, AuthorMisiaszek, M.¹, AuthorMoseev, P.¹, AuthorMüller, Y.¹, AuthorNemchenok, I.¹, AuthorPanas, K.¹, AuthorPandola, L.¹, AuthorPelczar, K.¹, AuthorPertoldi, L.¹, AuthorPiseri, P.¹, AuthorPullia, A.¹, AuthorRansom, C.¹, AuthorRauscher, L.¹, AuthorRiboldi, S.¹, AuthorRumyantseva, N.¹, AuthorSada, C.¹, AuthorSalamida, F.¹, AuthorSchönert, S.¹, AuthorSchreiner, J.¹, AuthorSchütt, M.¹, AuthorSchütz, A.-K.¹, AuthorSchulz, O.¹, AuthorSchwarz, M.¹, AuthorSchwingenheuer, B.¹, AuthorSelivanenko, O.¹, AuthorShevchik, E.¹, AuthorShirchenko, M.¹, AuthorShtembari, L.¹, AuthorSimgen, H.¹, AuthorSmolnikov, A.¹, AuthorStukov, D.¹, AuthorVeresnikova, A.A.Vasenko A.¹, AuthorVignoli, C.¹, Authorvon Sturm, K.¹, AuthorWester, T.¹, AuthorWiesinger, C.¹, AuthorWojcik, M.¹, AuthorYanovich, E.¹, AuthorZatschler, B.¹, AuthorZhitnikov, I.¹, AuthorZhukov, S.V.¹, AuthorZinatulina, D.¹, AuthorZschocke, A.¹, AuthorZsigmond, A.J.¹, AuthorZuber, K.¹, AuthorZuzel, G.¹, Author more..

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1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650

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Free keywords: GERDA

Abstract: The GERmanium Detector Array (GERDA) experiment searched for the lepton-number-violating neutrinoless double-$\beta$ ($0\nu\beta\beta$) decay of $^{76}$Ge, whose discovery would have far-reaching implications in cosmology and particle physics. By operating bare germanium diodes, enriched in $^{76}$Ge, in an active liquid argon shield, GERDA achieved an unprecedently low background index of $5.2\times10^{-4}$ counts/(keV$\cdot$kg$\cdot$yr) in the signal region and met the design goal to collect an exposure of 100 kg$\cdot$yr in a background-free regime. When combined with the result of Phase I, no signal is observed after 127.2 kg$\cdot$yr of total exposure. A limit on the half-life of $0\nu\beta\beta$ decay in $^{76}$Ge is set at $T_{1/2}>1.8\times10^{26}$ yr at 90% C.L., which coincides with the sensitivity assuming no signal.

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Dates: Date issued: 2020

Publication Status: Issued

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Identifiers: Other: MPP-2020-317
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-317
arXiv: arxiv:2009.06079
URI: https://inspirehep.net/literature?q=find%20eprint%202009.06079

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Title: Physical Review Letters

Abbreviation : Phys.Rev.Lett.

Source Genre: Journal

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Pages: - Volume / Issue: 125 Sequence Number: - Start / End Page: 252502 Identifier: -