Search for lepton-flavour-violating decays of the Higgs boson
Yazarlar (1)
Doç. Dr. Mustafa Numan BAKIRCI Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SCOPUS dergilerinde yayınlanan tam makale)
Dergi Adı Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
Dergi ISSN 0370-2693 Wos Dergi Scopus Dergi
Makale Dili İngilizce Basım Tarihi 10-2015
Cilt / Sayı / Sayfa 749 / 1 / 337–362 DOI 10.1016/j.physletb.2015.07.053
Makale Linki https://www.sciencedirect.com/science/article/pii/S0370269315005638/pdfft?md5=663b272e75acec16b1516f5738239ba9&pid=1-s2.0-S0370269315005638-main.pdf
UAK Araştırma Alanları
Fen Bilimleri ve Matematik
Özet
The first direct search for lepton-flavour-violating decays of the recently discovered Higgs boson (H) is described. The search is performed in the H→ μ τ e and H→ μ τ h channels, where τ e and τ h are tau leptons reconstructed in the electronic and hadronic decay channels, respectively. The data sample used in this search was collected in pp collisions at a centre-of-mass energy of s= 8 TeV with the CMS experiment at the CERN LHC and corresponds to an integrated luminosity of 19.7 fb− 1. The sensitivity of the search is an order of magnitude better than the existing indirect limits. A slight excess of signal events with a significance of 2.4 standard deviations is observed. The p-value of this excess at M H= 125 GeV is 0.010. The best fit branching fraction is B (H→ μ τ)=(0.84− 0.37+ 0.39)%. A constraint on the branching fraction, B (H→ μ τ)< 1.51% at 95% confidence level is set. This limit is subsequently used to …
Anahtar Kelimeler
CMS | Higgs | Lepton-flavour-violation | Muons | Physics | Taus
Science Direct
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Scopus 242
Google Scholar 535
Search for lepton-flavour-violating decays of the Higgs boson

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