Search for lepton-flavour-violating decays of the Higgs boson
Yazarlar (1)
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Physics Letters Section B Nuclear Elementary Particle and High Energy Physics (Q1)
Dergi ISSN 0370-2693 Dergi Bilgileri (2015)
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
Web of Science 221
Scopus 242
Google Scholar 563
Search for lepton-flavour-violating decays of the Higgs boson

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