Search for the rare decay B+→μ+ μ- μ+νμ

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Aaij, R, Beteta, CA, Adeva, B, Adinolfi, M, Aidala, CA, Ajaltouni, Z, Akar, S, Albicocco, P, Albrecht, J, Alessio, F et al (show 90 more authors) , Alexander, M, Albero, AA, Alkhazov, G, Cartelle, PA, Jr, AAA, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Archilli, F, Romeu, JA, Artamonov, A, Artuso, M, Arzymatov, K, Aslanides, E, Atzeni, M, Audurier, B, Bachmann, S, Back, JJ, Baker, S, Balagura, V, Baldini, W, Baranov, A, Barlow, RJ, Barsuk, S, Barter, W, Bartolini, M, Baryshnikov, F, Batozskaya, V, Batsukh, B, Battig, A, Battista, V, Bay, A, Beddow, J, Bedeschi, F, Bediaga, I, Beiter, A, Bel, LJ, Belin, S, Beliy, N, Bellee, V, Belloli, N, Belous, K, Belyaev, I, Bencivenni, G, Ben-Haim, E, Benson, S, Beranek, S, Berezhnoy, A, Bernet, R, Berninghoff, D, Bertholet, E, Bertolin, A, Betancourt, C, Betti, F, Bettler, MO, Bezshyiko, I, Bhasin, S, Bhom, J, Bifani, S, Billoir, P, Birnkraut, A, Bizzeti, A, Bjørn, M, Blago, MP, Blake, T, Blanc, F, Blusk, S, Bobulska, D, Bocci, V, Boente Garcia, O, Boettcher, T, Bondar, A, Bondar, N, Borghi, S, Borisyak, M, Borsato, M, Bossu, F, Boubdir, M, Bowcock, TJV ORCID: 0000-0002-3505-6915, Bozzi, C, Braun, S, Brodski, M, Brodzicka, J, Brossa Gonzalo, A and Brundu, D (2019) Search for the rare decay B+→μ+ μ- μ+νμ. European Physical Journal C, 79 (8). ISSN 1434-6044, 1434-6052

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Abstract

A search for the rare leptonic decay B+→μ+μ-μ+νμ is performed using proton-proton collision data corresponding to an integrated luminosity of 4.7fb-1 collected by the LHCb experiment. The search is carried out in the region where the lowest of the two μ⁺μ^- mass combinations is below 980MeV/c2. The data are consistent with the background-only hypothesis and an upper limit of 1.6 × 10 ^{- 8} at 95% confidence level is set on the branching fraction in the stated kinematic region.

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	03 Sep 2019 12:07
Last Modified:	06 Jun 2025 05:42
DOI:	10.1140/epjc/s10052-019-7112-x
Open Access URL:	https://arxiv.org/pdf/1812.06004.pdf
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3053333