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Search for K0S(L) → [mu]+ [mu]− [mu]+ [mu]− decays at LHCb

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A search for 𝐾0S⁡(L) →𝜇+⁢𝜇−⁢𝜇+⁢𝜇− decays is performed using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1  fb−1. No evidence for signal is found. The 90% confidence level upper limits are the first...

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Main Authors: Aaij, Roel (Author) , Bachmann, Sebastian (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Frau, Giulia (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zhao, Ya (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal) Editorial
Language:English
Published: 3 August 2023
In: Physical review
Year: 2023, Volume: 108, Issue: 3, Pages: 1-12
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.L031102
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.108.L031102
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.L031102
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Author Notes:R. Aaij et al. (LHCb Collaboration*)
Description
Summary:A search for 𝐾0S⁡(L) →𝜇+⁢𝜇−⁢𝜇+⁢𝜇− decays is performed using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1  fb−1. No evidence for signal is found. The 90% confidence level upper limits are the first set for both decays and are ℬ⁡(𝐾0S→𝜇+⁢𝜇−⁢𝜇+⁢𝜇−) <5.1 ×10−12 and ℬ⁡(𝐾0L→𝜇+⁢𝜇−⁢𝜇+⁢𝜇−) <2.3 ×10−9.
Item Description:Gesehen am 28.02.2025
Im Titel ist die Zahl 0 und die Plus- und Minuszeichen hochgestellt sowie die Buchstaben S und L tiefgestellt
*LHCb Collaboration: R. Aaij, S. Bachmann, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und 1050 weitere Personen]
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.L031102

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