Constraints on the KS0 →μ+μ- Branching Fraction

LHCb Collaboration

doi:10.1103/PhysRevLett.125.231801

Constraints on the KS0 →μ+μ- Branching Fraction

LHCb Collaboration

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Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

A search for the decay KS0→μ+μ- is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb-1 and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(KS0→μ+μ-)<2.2×10-10 at 90% C.L.. The limit reduces to B(KS0→μ+μ-)<2.1×10-10 at 90% C.L. once combined with the result from data taken in 2011 and 2012.

langue originale	Anglais
Numéro d'article	231801
journal	Physical Review Letters
Volume	125
Numéro de publication	23
Les DOIs	https://doi.org/10.1103/PhysRevLett.125.231801
état	Publié - 2 déc. 2020

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10.1103/PhysRevLett.125.231801

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@article{6d6c04ae0c034c1cb309e288e4f792f2,

title = "Constraints on the KS0 →μ+μ- Branching Fraction",

abstract = "A search for the decay KS0→μ+μ- is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb-1 and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(KS0→μ+μ-)<2.2×10-10 at 90\% C.L.. The limit reduces to B(KS0→μ+μ-)<2.1×10-10 at 90\% C.L. once combined with the result from data taken in 2011 and 2012.",

author = "\{LHCb Collaboration\} and R. Aaij and Beteta, \{C. Abell{\'a}n\} and T. Ackernley and B. Adeva and M. Adinolfi and H. Afsharnia and Aidala, \{C. A.\} and S. Aiola and Z. Ajaltouni and S. Akar and P. Albicocco and J. Albrecht and F. Alessio and M. Alexander and Albero, \{A. Alfonso\} and G. Alkhazov and Cartelle, \{P. Alvarez\} and Alves, \{A. A.\} and S. Amato and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and F. Archilli and Romeu, \{J. Arnau\} and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and Back, \{J. J.\} and S. Baker and V. Balagura and W. Baldini and A. Baranov and Barlow, \{R. J.\} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and G. Bassi and V. Batozskaya and B. Batsukh and A. Battig and A. Bay and F. Fleuret and E. Maurice",

note = "Publisher Copyright: {\textcopyright} 2020 CERN.",

year = "2020",

month = dec,

day = "2",

doi = "10.1103/PhysRevLett.125.231801",

language = "English",

volume = "125",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "23",

}

TY - JOUR

T1 - Constraints on the KS0 →μ+μ- Branching Fraction

AU - LHCb Collaboration

AU - Aaij, R.

AU - Beteta, C. Abellán

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Afsharnia, H.

AU - Aidala, C. A.

AU - Aiola, S.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Albero, A. Alfonso

AU - Alkhazov, G.

AU - Cartelle, P. Alvarez

AU - Alves, A. A.

AU - Amato, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Archilli, F.

AU - Romeu, J. Arnau

AU - Artamonov, A.

AU - Artuso, M.

AU - Arzymatov, K.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bachmann, S.

AU - Back, J. J.

AU - Baker, S.

AU - Balagura, V.

AU - Baldini, W.

AU - Baranov, A.

AU - Barlow, R. J.

AU - Barsuk, S.

AU - Barter, W.

AU - Bartolini, M.

AU - Baryshnikov, F.

AU - Bassi, G.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battig, A.

AU - Bay, A.

AU - Fleuret, F.

AU - Maurice, E.

PY - 2020/12/2

Y1 - 2020/12/2

N2 - A search for the decay KS0→μ+μ- is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb-1 and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(KS0→μ+μ-)<2.2×10-10 at 90% C.L.. The limit reduces to B(KS0→μ+μ-)<2.1×10-10 at 90% C.L. once combined with the result from data taken in 2011 and 2012.

AB - A search for the decay KS0→μ+μ- is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb-1 and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(KS0→μ+μ-)<2.2×10-10 at 90% C.L.. The limit reduces to B(KS0→μ+μ-)<2.1×10-10 at 90% C.L. once combined with the result from data taken in 2011 and 2012.

UR - https://www.scopus.com/pages/publications/85097586889

U2 - 10.1103/PhysRevLett.125.231801

DO - 10.1103/PhysRevLett.125.231801

M3 - Article

C2 - 33337231

AN - SCOPUS:85097586889

SN - 0031-9007

VL - 125

JO - Physical Review Letters

JF - Physical Review Letters

IS - 23

M1 - 231801

ER -

Constraints on the KS0 →μ+μ- Branching Fraction

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