Measurement of the ZZ production cross section and Z →l+l-l′+l′- branching fraction in pp collisions at √s=13TeV
Yazarlar (1)
Prof. Dr. Hasan OĞUL Sinop Üniversitesi, Türkiye
| Makale Türü |
Özgün Makale
(SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
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| 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 | 12-2016 |
| Kabul Tarihi | – | Yayınlanma Tarihi | 01-12-2016 |
| Cilt / Sayı / Sayfa | 763 / 1 / 280–303 | DOI | 10.1016/j.physletb.2016.10.054 |
| Makale Linki | https://www.sciencedirect.com/science/article/am/pii/S0370269316306256 | ||
| UAK Araştırma Alanları |
Fen Bilimleri ve Matematik
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| Özet |
| Four-lepton production in proton–proton collisions, ppℓ+ ℓ− ℓ′+ ℓ′−, where,= e or, is studied at a center-of-mass energy of 13 TeV with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2.6 fb1. The ZZ production cross section,(ppZZ)= 14. 6+ 1. 91. 8 (stat)+ 0. 5 0. 3 (syst) ś0. 2 (theo) ś0. 4 (lumi) pb, is measured for events with two opposite-sign, same-flavor lepton pairs produced in the mass region 60< mℓ+ ℓ−, mℓ′+ ℓ′< 120GeV. The Z boson branching fraction to four leptons is measured to be B (Zℓ+ ℓ− ℓ′+ ℓ′−)= 4. 9+ 0. 80. 7 (stat)+ 0. 3 0. 2 (syst)+ 0. 2 0. 1 (theo) ś0. 1 (lumi)» 106 for the four-lepton invariant mass in the range 80< mℓ+ ℓ− ℓ′+ ℓ′−< 100GeV and dilepton mass mℓ+ ℓ−> 4GeV for all opposite-sign, same-flavor lepton pairs. The results are in agreement with standard model predictions. |
| Anahtar Kelimeler |
| CMS | Electroweak | Physics |
Science Direct
Measurement of the ZZ production cross section and Z →l+l-l′+l′- branching fraction in pp collisions at √s=13TeV
BM Sürdürülebilir Kalkınma Amaçları
| Atıf Sayıları | |
| Web of Science | 49 |
| Scopus | 47 |