Search for $B^{-}\to\mu^{-}\bar\nu_\mu$ Decays at the Belle Experiment

Belle Collaboration,; Sibidanov, A.; Varvell, K. E.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D. M.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bahinipati, S.; Bakich, A. M.; Bansal, V.; Barberio, E.; Behera, P.; Bhuyan, B.; Biswal, J.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D.; Chang, P.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, K.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Czank, T.; Dash, N.; Di Carlo, S.; Doležal, Z.; Drásal, Z.; Dutta, D.; Eidelman, S.; Epifanov, D.; Fast, J. E.; Ferber, T.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Garmash, A.; Goldenzweig, P.; Greenwald, D.; Guan, Y.; Guido, E.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hedges, M. T.; Hirose, S.; Hou, W. -S.; Hsu, C. -L.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jaegle, I.; Jeon, H. B.; Jin, Y.; Joo, K. K.; Julius, T.; Kahn, J.; Kaliyar, A. B.; Kang, K. H.; Karyan, G.; Kawasaki, T.; Kiesling, C.; Kim, D. Y.; Kim, J. B.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Kodyš, P.; Korpar, S.; Kotchetkov, D.; Križan, P.; Krokovny, P.; Kuhr, T.; Kulasiri, R.; Kumar, R.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Lee, I. S.; Li, C. H.; Li, L.; Li Gioi, L.; Libby, J.; Liventsev, D.; Lubej, M.; Luo, T.; Masuda, M.; Matsuda, T.; Merola, M.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moon, H. K.; Mori, T.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Nath, K. J.; Natkaniec, Z.; Nayak, M.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Ono, H.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Park, C. -S.; Park, C. W.; Park, H.; Paul, S.; Pestotnik, R.; Piilonen, L. E.; Ritter, M.; Rostomyan, A.; Rozanska, M.; Sakai, Y.; Salehi, M.; Sandilya, S.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shebalin, V.; Shen, C. P.; Shibata, T. -A.; Shiu, J. -G.; Simon, F.; Sokolov, A.; Solovieva, E.; Starič, M.; Strube, J. F.; Sumihama, M.; Sumisawa, K.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Van Hulse, C.; Varner, G.; Vorobyev, V.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Watanabe, M.; Watanuki, S.; Widmann, E.; Won, E.; Yamashita, Y.; Ye, H.; Yelton, J.; Yuan, C. Z.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.; Zhulanov, V.; Zupanc, A.

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Search for $B^{-}\to\mu^{-}\bar\nu_\mu$ Decays at the Belle Experiment

Belle Collaboration, Sibidanov, A., Varvell, K. E., Adachi, I., Aihara, H., Al Said, S., et al. (2018). Search for $B^{-}\to\mu^{-}\bar\nu_\mu$ Decays at the Belle Experiment. Physical Review Letters, (121), 031801. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2017-318.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-F833-C Version Permalink: https://hdl.handle.net/21.11116/0000-0003-F834-B

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Belle Collaboration¹, Author
Sibidanov, A.¹, Author
Varvell, K. E.¹, Author
Adachi, I.¹, Author
Aihara, H.¹, Author
Al Said, S.¹, Author
Asner, D. M.¹, Author
Aushev, T.¹, Author
Ayad, R.¹, Author
Babu, V.¹, Author
Badhrees, I.¹, Author
Bahinipati, S.¹, Author
Bakich, A. M.¹, Author
Bansal, V.¹, Author
Barberio, E.¹, Author
Behera, P.¹, Author
Bhuyan, B.¹, Author
Biswal, J.¹, Author
Bozek, A.¹, Author
Bračko, M.¹, Author
Browder, T. E.¹, AuthorČervenkov, D.¹, AuthorChang, P.¹, AuthorChekelian, V.¹, AuthorChen, A.¹, AuthorCheon, B. G.¹, AuthorChilikin, K.¹, AuthorCho, K.¹, AuthorChoi, S. -K.¹, AuthorChoi, Y.¹, AuthorCinabro, D.¹, AuthorCzank, T.¹, AuthorDash, N.¹, AuthorDi Carlo, S.¹, AuthorDoležal, Z.¹, AuthorDrásal, Z.¹, AuthorDutta, D.¹, AuthorEidelman, S.¹, AuthorEpifanov, D.¹, AuthorFast, J. E.¹, AuthorFerber, T.¹, AuthorFulsom, B. G.¹, AuthorGaur, V.¹, AuthorGabyshev, N.¹, AuthorGarmash, A.¹, AuthorGoldenzweig, P.¹, AuthorGreenwald, D.¹, AuthorGuan, Y.¹, AuthorGuido, E.¹, AuthorHaba, J.¹, AuthorHayasaka, K.¹, AuthorHayashii, H.¹, AuthorHedges, M. T.¹, AuthorHirose, S.¹, AuthorHou, W. -S.¹, AuthorHsu, C. -L.¹, AuthorIijima, T.¹, AuthorInami, K.¹, AuthorInguglia, G.¹, AuthorIshikawa, A.¹, AuthorItoh, R.¹, AuthorIwasaki, M.¹, AuthorIwasaki, Y.¹, AuthorJacobs, W. W.¹, AuthorJaegle, I.¹, AuthorJeon, H. B.¹, AuthorJin, Y.¹, AuthorJoo, K. K.¹, AuthorJulius, T.¹, AuthorKahn, J.¹, AuthorKaliyar, A. B.¹, AuthorKang, K. H.¹, AuthorKaryan, G.¹, AuthorKawasaki, T.¹, AuthorKiesling, C.¹, AuthorKim, D. Y.¹, AuthorKim, J. B.¹, AuthorKim, S. H.¹, AuthorKim, Y. J.¹, AuthorKinoshita, K.¹, AuthorKodyš, P.¹, AuthorKorpar, S.¹, AuthorKotchetkov, D.¹, AuthorKrižan, P.¹, AuthorKrokovny, P.¹, AuthorKuhr, T.¹, AuthorKulasiri, R.¹, AuthorKumar, R.¹, AuthorKuzmin, A.¹, AuthorKwon, Y. -J.¹, AuthorLange, J. S.¹, AuthorLee, I. S.¹, AuthorLi, C. H.¹, AuthorLi, L.¹, AuthorLi Gioi, L.¹, AuthorLibby, J.¹, AuthorLiventsev, D.¹, AuthorLubej, M.¹, AuthorLuo, T.¹, AuthorMasuda, M.¹, AuthorMatsuda, T.¹, AuthorMerola, M.¹, AuthorMiyabayashi, K.¹, AuthorMiyata, H.¹, AuthorMizuk, R.¹, AuthorMohanty, G. B.¹, AuthorMoon, H. K.¹, AuthorMori, T.¹, AuthorMussa, R.¹, AuthorNakano, E.¹, AuthorNakao, M.¹, AuthorNanut, T.¹, AuthorNath, K. J.¹, AuthorNatkaniec, Z.¹, AuthorNayak, M.¹, AuthorNiiyama, M.¹, AuthorNisar, N. K.¹, AuthorNishida, S.¹, AuthorOgawa, S.¹, AuthorOkuno, S.¹, AuthorOno, H.¹, AuthorPakhlov, P.¹, AuthorPakhlova, G.¹, AuthorPal, B.¹, AuthorPark, C. -S.¹, AuthorPark, C. W.¹, AuthorPark, H.¹, AuthorPaul, S.¹, AuthorPestotnik, R.¹, AuthorPiilonen, L. E.¹, AuthorRitter, M.¹, AuthorRostomyan, A.¹, AuthorRozanska, M.¹, AuthorSakai, Y.¹, AuthorSalehi, M.¹, AuthorSandilya, S.¹, AuthorSato, Y.¹, AuthorSavinov, V.¹, AuthorSchneider, O.¹, AuthorSchnell, G.¹, AuthorSchwanda, C.¹, AuthorSeino, Y.¹, AuthorSenyo, K.¹, AuthorSevior, M. E.¹, AuthorShebalin, V.¹, AuthorShen, C. P.¹, AuthorShibata, T. -A.¹, AuthorShiu, J. -G.¹, AuthorSimon, F.¹, AuthorSokolov, A.¹, AuthorSolovieva, E.¹, AuthorStarič, M.¹, AuthorStrube, J. F.¹, AuthorSumihama, M.¹, AuthorSumisawa, K.¹, AuthorSumiyoshi, T.¹, AuthorTakizawa, M.¹, AuthorTamponi, U.¹, AuthorTanida, K.¹, AuthorTenchini, F.¹, AuthorTrabelsi, K.¹, AuthorUchida, M.¹, AuthorUehara, S.¹, AuthorUglov, T.¹, AuthorUnno, Y.¹, AuthorUno, S.¹, AuthorUrquijo, P.¹, AuthorVan Hulse, C.¹, AuthorVarner, G.¹, AuthorVorobyev, V.¹, AuthorWang, C. H.¹, AuthorWang, M. -Z.¹, AuthorWang, P.¹, AuthorWatanabe, M.¹, AuthorWatanuki, S.¹, AuthorWidmann, E.¹, AuthorWon, E.¹, AuthorYamashita, Y.¹, AuthorYe, H.¹, AuthorYelton, J.¹, AuthorYuan, C. Z.¹, AuthorYusa, Y.¹, AuthorZhang, Z. P.¹, AuthorZhilich, V.¹, AuthorZhukova, V.¹, AuthorZhulanov, V.¹, AuthorZupanc, A.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: Belle II

Abstract: We report the result of a search for the decay $B^{-}\to\mu^{-}\bar\nu_\mu$. The signal events are selected based on the presence of a high momentum muon and the topology of the rest of the event showing properties of a generic $B$-meson decay, as well as the missing energy and momentum being consistent with the hypothesis of a neutrino from the signal decay. We find a 2.4 standard deviation excess above background including systematic uncertainties, which corresponds to a branching fraction of ${\cal B}(B^{-}\to\mu^{-}\bar\nu_\mu) =(6.46 \pm 2.22 \pm 1.60 )\times10^{-7}$ or a frequentist 90% confidence level interval on the $B^{-}\to\mu^{-}\bar\nu_\mu$ branching fraction of $[2.9, 10.7]\times 10^{-7}$. This result is obtained from a $711\ \text{fb}^{-1}$ data sample that contains $772 \times 10^6$ $B\bar{B}$ pairs, collected near the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider.

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Dates: Date issued: 2018

Publication Status: Issued

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Identifiers: eDoc: 746973
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2017-318
URI: http://arXiv.org/abs/arxiv:1712.04123
URI: https://inspirehep.net/search?p=find+eprint+1712.04123
Other: MPP-2017-318

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Title: Physical Review Letters

Alternative Title : Phys.Rev.Lett.

Source Genre: Journal

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Pages: - Volume / Issue: (121) Sequence Number: - Start / End Page: 031801 Identifier: -