Search for Flavor-Changing Neutral Currents in Top-Quark Decays t → Zq in pp Collisions at √s=8 TeV
Yazarlar (1)
| Makale Türü |
Özgün Makale
(SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
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| Dergi Adı | Physical Review Letters (Q1) | ||
| Dergi ISSN | 0031-9007 Dergi Bilgileri (2014) | ||
| Makale Dili | İngilizce | Basım Tarihi | 05-2014 |
| Cilt / Sayı / Sayfa | 112 / 17 / 171802–0 | DOI | 10.1103/PhysRevLett.112.171802 |
| Makale Linki | https://scholar.google.com/scholar?cluster=17677050649001847093&hl=en&oi=scholarr | ||
| UAK Araştırma Alanları |
Fen Bilimleri ve Matematik
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| Özet |
| A search for flavor-changing neutral currents in top-quark decays t -> Zq is performed in events produced from the decay chain (tt) over bar -> Zq + Wb, where both vector bosons decay leptonically, producing a final state with three leptons (electrons or muons). A data set collected with the CMS detector at the LHC is used, corresponding to an integrated luminosity of 19.7 fb(-1) of proton-proton collisions at a center-of-mass energy of 8 TeV. No excess is seen in the observed number of events relative to the standard model prediction; thus, no evidence for flavor-changing neutral currents in top-quark decays is found. A combination with a previous search at 7 TeV excludes a t. Zq branching fraction greater than 0.05% at the 95% confidence level. |
| Anahtar Kelimeler |
BM Sürdürülebilir Kalkınma Amaçları
| Atıf Sayıları | |
| Web of Science | 95 |
| Scopus | 88 |
| Google Scholar | 3 |