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Title: Search for the rare decay B+→μ+μ−μ+νμ
Authors: Aaij, Roel
Beteta, Carlos Abellan
Adeva, Bernardo
Eydelman, Semen Isaakovich
Panshin, Gennady Leonidovich
Strokov, Sergey Aleksandrovich
Issue Date: 2019
Publisher: Springer
Citation: Search for the rare decay B+→μ+μ−μ+νμ / R. Aaij, C. B. Beteta, B. Adeva [et al.] // The European Physical Journal C. — 2019. — Vol. 79, iss. 8. — [675, 12 p.].
Abstract: A search for the rare leptonic decay B+→μ+μ−μ+νμB+→μ+μ−μ+νμ is performed using proton-proton collision data corresponding to an integrated luminosity of 4.7fb−14.7fb−1 collected by the LHCb experiment. The search is carried out in the region where the lowest of the two μ+μ−μ+μ− mass combinations is below 980MeV/c2980MeV/c2. The data are consistent with the background-only hypothesis and an upper limit of 1.6×10−81.6×10−8 at 95% confidence level is set on the branching fraction in the stated kinematic region.
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