Search for the lepton-flavor violating decay Bs0 →φμ±τ

LHCb Collaboration; R. Aaij; A.S.W. Abdelmotteleb; C. Abellan Beteta; F. Abudinén; T. Ackernley; B. Adeva; M. Adinolfi; P. Adlarson; C. Agapopoulou; C.A. Aidala; Kristof de Bruyn; Mick Mulder

doi:10.1103/PhysRevD.110.072014

Search for the lepton-flavor violating decay Bs0 →φμ±τ

LHCb Collaboration, R. Aaij^*, A.S.W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén, T. Ackernley, B. Adeva, M. Adinolfi, P. Adlarson, C. Agapopoulou, C.A. Aidala, Kristof de Bruyn, Mick Mulder

^*Corresponding author for this work

High-Energy Frontier

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Abstract

A search for the lepton-flavor violating decays Bs0→φμ±τ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb-1. The τ leptons are selected using decays with three charged pions. No significant excess is observed, and an upper limit on the branching fraction is determined to be B(Bs0→φμ±τ)<1.0×10-5 at 90% confidence level.

Original language	English
Article number	072014
Number of pages	12
Journal	Physical Review D
Volume	110
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.110.072014
Publication status	Published - 1-Oct-2024

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title = "Search for the lepton-flavor violating decay Bs0 →φμ±τ",

abstract = "A search for the lepton-flavor violating decays Bs0→φμ±τ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb-1. The τ leptons are selected using decays with three charged pions. No significant excess is observed, and an upper limit on the branching fraction is determined to be B(Bs0→φμ±τ)<1.0×10-5 at 90\% confidence level.",

author = "\{LHCb Collaboration\} and R. Aaij and A.S.W. Abdelmotteleb and \{Abellan Beteta\}, C. and F. Abudin{\'e}n and T. Ackernley and B. Adeva and M. Adinolfi and P. Adlarson and C. Agapopoulou and C.A. Aidala and \{de Bruyn\}, Kristof and Mick Mulder",

year = "2024",

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day = "1",

doi = "10.1103/PhysRevD.110.072014",

language = "English",

volume = "110",

journal = "Physical Review D",

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TY - JOUR

T1 - Search for the lepton-flavor violating decay Bs0 →φμ±τ

AU - LHCb Collaboration

AU - Aaij, R.

AU - Abdelmotteleb, A.S.W.

AU - Abellan Beteta, C.

AU - Abudinén, F.

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Adlarson, P.

AU - Agapopoulou, C.

AU - Aidala, C.A.

AU - de Bruyn, Kristof

AU - Mulder, Mick

PY - 2024/10/1

Y1 - 2024/10/1

N2 - A search for the lepton-flavor violating decays Bs0→φμ±τ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb-1. The τ leptons are selected using decays with three charged pions. No significant excess is observed, and an upper limit on the branching fraction is determined to be B(Bs0→φμ±τ)<1.0×10-5 at 90% confidence level.

AB - A search for the lepton-flavor violating decays Bs0→φμ±τ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb-1. The τ leptons are selected using decays with three charged pions. No significant excess is observed, and an upper limit on the branching fraction is determined to be B(Bs0→φμ±τ)<1.0×10-5 at 90% confidence level.

U2 - 10.1103/PhysRevD.110.072014

DO - 10.1103/PhysRevD.110.072014

M3 - Article

SN - 2470-0010

VL - 110

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 072014

ER -

Search for the lepton-flavor violating decay Bs0 →φμ±τ

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