An improved limit on the neutrinoless double-electron capture of 36Ar with GERDA

GERDA Collaboration; Agostini, M.; Alexander, A.; Araujo, G. R.; Bakalyarov, A. M.; Balata, M.; Barabanov, I.; Baudis, L.; Bauer, C.; 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.; Hofmann, W.; Huang, J.; Hult, M.; Inzhechik, L. V.; Csáthy, J. Janicskó; Jochum, J.; Junker, M.; Kazalov, V.; Kermaïdic, Y.; Khushbakht, H.; Kihm, T.; Kilgus, K.; Kirpichnikov, I. V.; Klimenko, A.; Kneißl, R.; Knöpfle, K. T.; Kochetov, O.; Kornoukhov, V. N.; Korošec, M.; 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.; Marshall, G.; Misiaszek, M.; Morella, M.; Müller, Y.; Nemchenok, I.; Pandola, L.; Pelczar, K.; Pertoldi, L.; Piseri, P.; Pullia, A.; Ransom, C.; Rauscher, L.; Redchuk, M.; 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.

doi:10.1140/epjc/s10052-023-12280-6

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An improved limit on the neutrinoless double-electron capture of ³⁶Ar with GERDA

GERDA Collaboration, Agostini, M., Alexander, A., Araujo, G. R., Bakalyarov, A. M., Balata, M., et al. (2024). An improved limit on the neutrinoless double-electron capture of ³⁶Ar with GERDA. The European Physical Journal C, 84: 34. doi:10.1140/epjc/s10052-023-12280-6.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-434F-F Version Permalink: https://hdl.handle.net/21.11116/0000-000E-6ED5-7

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https://link.springer.com/content/pdf/10.1140/epjc/s10052-023-12280-6.pdf (Publisher version) Open Access Gold

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GERDA Collaboration, Author
Agostini, M., Author
Alexander, A., Author
Araujo, G. R., Author
Bakalyarov, A. M., Author
Balata, M., Author
Barabanov, I., Author
Baudis, L., Author
Bauer, C.¹, Author
Belogurov, S., Author
Bettini, A., Author
Bezrukov, L., Author
Biancacci, V., Author
Bossio, E., Author
Bothe, V.², Author
Brudanin, V., Author
Brugnera, R., Author
Caldwell, A., Author
Cattadori, C., Author
Chernogorov, A., Author
Comellato, T., AuthorD’Andrea, V., AuthorDemidova, E. V., AuthorMarco, N. Di, AuthorDoroshkevich, E., AuthorFischer, F., AuthorFomina, M., AuthorGangapshev, A.³, Author         Garfagnini, A., AuthorGooch, C., AuthorGrabmayr, P., AuthorGurentsov, V., AuthorGusev, K., AuthorHakenmüller, J.³, Author               Hemmer, S., AuthorHofmann, W.⁴, Author               Huang, J., AuthorHult, M., AuthorInzhechik, L. V., AuthorCsáthy, J. Janicskó, AuthorJochum, J., AuthorJunker, M., AuthorKazalov, V., AuthorKermaïdic, Y.², Author               Khushbakht, H., AuthorKihm, T.², Author               Kilgus, K., AuthorKirpichnikov, I. V., AuthorKlimenko, A.¹, Author         Kneißl, R., AuthorKnöpfle, K. T.², Author               Kochetov, O., AuthorKornoukhov, V. N., AuthorKorošec, M., AuthorKrause, P., AuthorKuzminov, V. V., AuthorLaubenstein, M., AuthorLindner, M.³, Author               Lippi, I., AuthorLubashevskiy, A., AuthorLubsandorzhiev, B., AuthorLutter, G., AuthorMacolino, C., AuthorMajorovits, B., AuthorManeschg, W.³, Author         Manzanillas, L., AuthorMarshall, G., AuthorMisiaszek, M., AuthorMorella, M., AuthorMüller, Y., AuthorNemchenok, I., AuthorPandola, L., AuthorPelczar, K., AuthorPertoldi, L., AuthorPiseri, P., AuthorPullia, A., AuthorRansom, C., AuthorRauscher, L., AuthorRedchuk, M., AuthorRiboldi, S., AuthorRumyantseva, N., AuthorSada, C., AuthorSalamida, F., AuthorSchönert, S., AuthorSchreiner, J.³, Author         Schütt, M.², Author         Schütz, A.-K., AuthorSchulz, O., AuthorSchwarz, M., AuthorSchwingenheuer, B.², Author               Selivanenko, O., AuthorShevchik, E., AuthorShirchenko, M., AuthorShtembari, L., AuthorSimgen, H.³, Author               Smolnikov, A.², Author         Stukov, D., AuthorVasenko, A. A., AuthorVeresnikova, A., AuthorVignoli, C., Authorvon Sturm, K., AuthorWester, T., AuthorWiesinger, C., AuthorWojcik, M., AuthorYanovich, E., AuthorZatschler, B., AuthorZhitnikov, I., AuthorZhukov, S. V., AuthorZinatulina, D., AuthorZschocke, A., AuthorZsigmond, A. J., AuthorZuber, K., AuthorZuzel, G., Author more..

Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550
2Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society, ou_2074298
3Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549
4Prof. Werner Hofmann, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_3188608

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MPINP: GERDA - Abteilung Hinton

Abstract: The GERmanium Detector Array (Gerda) experiment operated enriched high-purity germanium detectors in a liquid argon cryostat, which contains 0.33% of ³⁶Ar, a candidate isotope for the two-neutrino double-electron capture (2νECEC) and therefore for the neutrinoless double-electron capture (0νECEC). If detected, this process would give evidence of lepton number violation and the Majorana nature of neutrinos. In the radiative 0νECEC of ³⁶Ar, a monochromatic photon is emitted with an energy of 429.88 keV, which may be detected by the Gerda germanium detectors. We searched for the ³⁶Ar 0νECEC with Gerda data, with a total live time of 4.34 year (3.08 year accumulated during Gerda Phase II and 1.26 year during Gerda Phase I). No signal was found and a 90% CL lower limit on the half-life of this process was established T_1/2 > 1.5 · 10²² year.

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Dates: Published Online: 2024-01-14

Publication Status: Published online

Pages: 10

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Identifiers: DOI: 10.1140/epjc/s10052-023-12280-6

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Title: The European Physical Journal C

Other : The European Physical Journal C: Particles and Fields

Abbreviation : EPJ C

Source Genre: Journal

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Publ. Info: Berlin, Heidelberg : Springer

Pages: - Volume / Issue: 84 Sequence Number: 34 Start / End Page: - Identifier: ISSN: 1434-6044
CoNE: https://pure.mpg.de/cone/journals/resource/954925624278_3