Search for a Higgs boson decaying into γ*γ → llγ with low dilepton mass in pp collisions at √s=8 TeV
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 (2016)
Makale Dili İngilizce Basım Tarihi 02-2016
Cilt / Sayı / Sayfa 753 / 1 / 341–362 DOI 10.1016/j.physletb.2015.12.039
Makale Linki https://www.sciencedirect.com/science/article/pii/S0370269315009879/pdfft?md5=43e4df14d4d76775fb83f4d66eaa3d11&pid=1-s2.0-S0370269315009879-main.pdf
UAK Araştırma Alanları
Fen Bilimleri ve Matematik
Özet
A search is described for a Higgs boson decaying into two photons, one of which has an internal conversion to a muon or an electron pair (ℓℓγ). The analysis is performed using proton–proton collision data recorded with the CMS detector at the LHC at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb− 1. The events selected have an opposite-sign muon or electron pair and a high transverse momentum photon. No excess above background has been found in the three-body invariant mass range 120< m ℓ ℓ γ< 150 GeV, and limits have been derived for the Higgs boson production cross section times branching fraction for the decay H→ γ⁎ γ→ ℓ ℓ γ, where the dilepton invariant mass is less than 20 GeV. For a Higgs boson with m H= 125 GeV, a 95% confidence level (CL) exclusion observed (expected) limit is 6.7 (5.9− 1.8+ 2.8) times the standard model prediction. Additionally …
Anahtar Kelimeler
CMS | Dalitz decay | Higgs boson | Physics
Science Direct
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Web of Science 27
Scopus 25
Google Scholar 126
Search for a Higgs boson decaying into γ*γ → llγ with low dilepton mass in pp collisions at √s=8 TeV

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