New Data Release of GERDA Phase II: Search for 0νββ decay of 76Ge

Balata, M.; Barabanov, I.; Baudis, L.; Bauer, C.; Bellotti, E.; Belogurov, S.; Bettini, A.; Bezrukov, L.; Bode, T.; Brudanin, V.; Brugnera, R.; Caldwell, A.; Cattadori, C.; Chernogorov, A.; D'Andrea, V.; Demidova, E. V.; Di Marco, N.; Domula, A.; Doroshkevich, E.; Egorov, V.; Falkenstein, R.; Gangapshev, A.; Garfagnini, A.; Gooch, C.; Grabmayr, P.; Gurentsov, V.; Gusev, K.; Hakenmüller, J.; Hegai, A.; Heisel, M.; Hemmer, S.; Hiller, R.; Hofmann, W.; Hult, M.; Inzhechik, L. V.; Janicskó Csáthy, J.; Jochum, J.; Junker, M.; Kazalov, V.; Kermaidic, Y.; Kihm, T.; Kirpichnikov, I. V.; Kirsch, A.; Kish, A.; Klimenko, A.; Kneißl, R.; Knöpfle, K. T.; Kochetov, O.; Kornoukhov, V. N.; Kuzminov, V. V.; Laubenstein, M.; Lazzaro, A.; Lindner, M.; Lippi, I.; Lubashevskiy, A.; Lubsandorzhiev, B.; Lutter, G.; Macolino, C.; Majorovits, B.; Maneschg, W.; Miloradovic, M.; Mingazheva, R.; Misiaszek, M.; Moseev, P.; Nemchenok, I.; Panas, K.; Pandola, L.; Pullia, A.; Ransom, C.; Riboldi, S.; Rumyantseva, N.; Sada, C.; Salamida, F.; Schmitt, C.; Schneider, B.; Schreiner, J.; Schulz, O.; Schwingenheuer, B.; Schönert, S.; Schütz, A-K.; Selivanenko, O.; Shevchik, E.; Shirchenko, M.; Simgen, H.; Smolnikov, A.; Stanco, L.; Vanhoefer, L.; Vasenko, A. A.; Veresnikova, A.; von Sturm, K.; Wagner, V.; Wegmann, A.; Wester, T.; Wiesinger, C.; Wojcik, M.; Yanovich, E.; Zhitnikov, I.; Zhukov, S. V.; Zinatulina, D.; Zsigmond, A. J.; Zuber, K.; Zuzel, G.

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New Data Release of GERDA Phase II: Search for 0νββ decay of 76Ge

Balata, M., Barabanov, I., Baudis, L., Bauer, C., Bellotti, E., Belogurov, S., et al. (2018). New Data Release of GERDA Phase II: Search for 0νββ decay of 76Ge. KnE Energy, (3), 202-209.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-F88F-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-F890-2

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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
Bode, T.¹, Author
Brudanin, V.¹, Author
Brugnera, R.¹, Author
Caldwell, A.¹, Author
Cattadori, C.¹, Author
Chernogorov, A.¹, Author
D'Andrea, V.¹, Author
Demidova, E. V.¹, Author
Di Marco, N.¹, Author
Domula, A.¹, Author
Doroshkevich, E.¹, Author
Egorov, V.¹, Author
Falkenstein, R.¹, AuthorGangapshev, A.¹, AuthorGarfagnini, A.¹, AuthorGooch, C.¹, AuthorGrabmayr, P.¹, AuthorGurentsov, V.¹, AuthorGusev, K.¹, AuthorHakenmüller, J.¹, AuthorHegai, A.¹, AuthorHeisel, M.¹, AuthorHemmer, S.¹, AuthorHiller, R.¹, AuthorHofmann, W.¹, AuthorHult, M.¹, AuthorInzhechik, L. V.¹, AuthorJanicskó Csáthy, J.¹, AuthorJochum, J.¹, AuthorJunker, M.¹, AuthorKazalov, V.¹, AuthorKermaidic, Y.¹, AuthorKihm, T.¹, AuthorKirpichnikov, I. V.¹, AuthorKirsch, A.¹, AuthorKish, A.¹, AuthorKlimenko, A.¹, AuthorKneißl, R.¹, AuthorKnöpfle, K. T.¹, AuthorKochetov, O.¹, AuthorKornoukhov, V. N.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, AuthorMiloradovic, M.¹, AuthorMingazheva, R.¹, AuthorMisiaszek, M.¹, AuthorMoseev, P.¹, AuthorNemchenok, I.¹, AuthorPanas, K.¹, AuthorPandola, L.¹, AuthorPullia, A.¹, AuthorRansom, C.¹, AuthorRiboldi, S.¹, AuthorRumyantseva, N.¹, AuthorSada, C.¹, AuthorSalamida, F.¹, AuthorSchmitt, C.¹, AuthorSchneider, B.¹, AuthorSchreiner, J.¹, AuthorSchulz, O.¹, AuthorSchwingenheuer, B.¹, AuthorSchönert, S.¹, AuthorSchütz, A-K.¹, AuthorSelivanenko, O.¹, AuthorShevchik, E.¹, AuthorShirchenko, M.¹, AuthorSimgen, H.¹, AuthorSmolnikov, A.¹, AuthorStanco, L.¹, AuthorVanhoefer, L.¹, AuthorVasenko, A. A.¹, AuthorVeresnikova, A.¹, Authorvon Sturm, K.¹, AuthorWagner, V.¹, AuthorWegmann, A.¹, AuthorWester, T.¹, AuthorWiesinger, C.¹, AuthorWojcik, M.¹, AuthorYanovich, E.¹, AuthorZhitnikov, I.¹, AuthorZhukov, S. V.¹, AuthorZinatulina, D.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 is searching for the neutrinoless double beta decay ( 0νββ ) of the isotope 76 Ge. High-purity germanium crystals enriched in 76 Ge, simultaneously used as source and detector, are directly deployed into ultra-pure, cryogenic liquid argon, which acts both as cooling medium and shield against the external radiation. The second phase of the experiment is taking data since end of 2015 with 20 additional kg of custom-made BEGe-type Germanium detectors and an active LAr veto. In this paper we will summarize the results of the last data release of June 2017. No evidence for a possible signal is found: the lower limit for the half-life of 76 Ge is 8.0⋅1025 yr at 90% CL. The very low residual background found at the Q -value of the decay, about 10−3 cts/(keV ⋅ kg ⋅ yr), makes Gerda the first experiment in the field to be background-free for the complete design exposure of 100 kg ⋅ yr.

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Dates: Date issued: 2018

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Identifiers: eDoc: 747294
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-337
URI: https://knepublishing.com/index.php/KnE-Energy/article/view/1745/4035
Other: MPP-2018-337

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Title: KnE Energy

Alternative Title : KnE Energy

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Pages: - Volume / Issue: (3) Sequence Number: - Start / End Page: 202 - 209 Identifier: -

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Title: The 3rd International Conference on Particle Physics and Astrophysics (ICPPA)

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Pages: - Volume / Issue: (3) Sequence Number: - Start / End Page: 202 - 209 Identifier: -