Observation of the J/ψ → μ+μ-μ+μ- decay in proton-proton collisions at √s=13 TeV

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Autor
Hayrapetyan, A.
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Chatterjee, S.
Damanakis, K.
Dragicevic, M.
Hussain, P. S.
Finger, MichaelORCiD Profile - 0000-0003-3155-2484WoS Profile - P-9117-2017Scopus Profile - 8435121500
Finger, MiroslavORCiD Profile - 0000-0002-7828-9970WoS Profile - P-7005-2017Scopus Profile - 55708019600
Květoň, AntonínORCiD Profile - 0000-0001-8197-1914WoS Profile - AAA-9178-2020Scopus Profile - 57188628481

Datum vydání
2024
Publikováno v
Physical Review D
Ročník / Číslo vydání
109 (11)
ISBN / ISSN
ISSN: 2470-0010
ISBN / ISSN
eISSN: 2470-0029
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Kolekce
Abstrakt
The J/psi -> mu(+)mu(-)mu(+)mu(-) decay has been observed with a statistical significance in excess of five standard deviations. The analysis is based on an event sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment in 2018 and corresponding to an integrated luminosity of 33.6 fb(-1). Normalizing to the J/psi -> mu(+)mu(-) decay mode leads to a branching fraction of [10.1(-2.7)(+3.3)(stat) +/- 0.4(syst)] x 10(-7), a value that is consistent with the standard model prediction.
Klíčová slova
J/ψ → μ+μ-μ+μ- decay, proton-proton collisions, √s=13TeV, LHC, CMS
Trvalý odkaz
https://hdl.handle.net/20.500.14178/2916
Zobraz publikaci v dalších systémech
WOS:001252843500001
SCOPUS:2-s2.0-85195858537
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