Search for the Z Boson Decay to ττμμ in Proton-Proton Collisions at √s=13 TeV
Yazarlar (1)
Prof. Dr. Hasan OĞUL Sinop Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Physical Review Letters (Q1)
Dergi ISSN 0031-9007 Dergi Bilgileri (2024)
Makale Dili İngilizce Basım Tarihi 10-2024
Cilt / Sayı / Sayfa 133 / 16 / – DOI 10.1103/PhysRevLett.133.161805
Makale Linki https://arxiv.org/abs/2404.18298
UAK Araştırma Alanları
Fen Bilimleri ve Matematik
Özet
The first search for the Z boson decay to at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.9 times the standard model expectation is placed on the ratio of the Z to Z 4 branching fractions. Limits are also placed on the six flavor-conserving four-lepton effective-field-theory operators involving two muons and two tau leptons, for the first time testing all such operators.
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Search for the Z Boson Decay to ττμμ in Proton-Proton Collisions at √s=13 TeV

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