Measurement of W gamma and Z gamma production in pp collisions at roots 7 TeV
Yazarlar (1)
Doç. Dr. Mustafa Numan BAKIRCI Tokat Gaziosmanpaşa 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 (Q4) | ||
| Dergi ISSN | 0370-2693 Wos Dergi Scopus Dergi | ||
| Dergi Tarandığı Indeksler | SCI | ||
| Makale Dili | İngilizce | Basım Tarihi | 01-2011 |
| Cilt / Sayı / Sayfa | 701 / 5 / 535–555 | DOI | 10.1016/j.physletb.2011.06.034 |
| UAK Araştırma Alanları |
Yüksek Enerji ve Parçacık Fiziği
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| Özet |
| A measurement of Wγ and Zγ production in proton–proton collisions at √s = 7 TeV is presented. Results are based on a data sample recorded by the CMS experiment at the LHC, corresponding to an integrated luminosity of 36 pb−1. The electron and muon decay channels of the W and Z are used. The total cross sections are measured for photon transverse energy Eγ T > 10 GeV and spatial separation from charged leptons in the plane of pseudorapidity and azimuthal angle R(,γ) > 0.7, and with an additional dilepton invariant mass requirement of M > 50 GeV for the Zγ process. The following cross section times branching fraction values are found: σ(pp→Wγ + X) × B(W→ν) = 56.3 ± 5.0(stat.) ± 5.0(syst.)±2.3(lumi.) pb and σ(pp→Zγ + X)×B(Z→) = 9.4±1.0(stat.)±0.6(syst.)±0.4(lumi.) pb. These measurements are in agreement with standard model predictions. The first limits on anomalous WWγ , ZZγ , and Zγγ trilinear gauge couplings at √s =7 TeV are set. |
| Anahtar Kelimeler |
| CMS | Electroweak | Physics |
Science Direct
Measurement of W gamma and Z gamma production in pp collisions at roots 7 TeV
BM Sürdürülebilir Kalkınma Amaçları
| Atıf Sayıları | |
| Scopus | 65 |
| Google Scholar | 183 |
| Google Scholar | 1 |