Measurement of the cross section for electroweak production of a Z boson, a photon and two jets in proton-proton collisions at $$ \sqrt{\mathrm{s}} $$ = 13 TeV and constraints on anomalous quartic couplings
Yazarlar (9)
Dr. Öğr. Üyesi Sevgi TEKTEN AKTAŞ Kafkas Üniversitesi, Türkiye
Prof. Dr. Sertaç Öztürk Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Mithat Kaya Marmara Üniversitesi, Türkiye
Prof. Dr. Erhan Gülmez Boğaziçi Üniversitesi, Türkiye
Prof. Dr. Salim Çerçi Adıyaman Üniversitesi, Türkiye
Doç. Dr. Özlem Kaya Milli Savunma Üniversitesi, Türkiye
Prof. Dr. Aysel Kayış Topaksu Çukurova Üniversitesi, Türkiye
Prof. Dr. Taylan Yetkin Mimar Sinan Güzel Sanatlar Üniversitesi, Türkiye
Prof. Dr. Elif Aslı Yetkin İstanbul Bilgi Üniversitesi, Türkiye
| Makale Türü |
Özgün Makale
(SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
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| Dergi Adı | Journal of High Energy Physics (Q1) | ||
| Dergi ISSN | 1029-8479 Dergi Bilgileri (2020) | ||
| Dergi Tarandığı Indeksler | SCI-Expanded | ||
| Makale Dili | Türkçe | Basım Tarihi | 01-2020 |
| Kabul Tarihi | 12-05-2020 | Yayınlanma Tarihi | 10-06-2020 |
| Cilt / Sayı / Sayfa | 2020 / 0 / – | DOI | 10.1007/JHEP06(2020)076 |
| Makale Linki | http://dx.doi.org/10.1007/jhep06(2020)076 | ||
| UAK Araştırma Alanları |
Fizik
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| Özet |
| Abstract A measurement is presented of the cross section for electroweak production of a Z boson and a photon in association with two jets (Zγjj) in proton-proton collisions. The Z boson candidates are selected through their decay into a pair of electrons or muons. The process of interest, electroweak Zγjj production, is isolated by selecting events with a large dijet mass and a large pseudorapidity gap between the two jets. The measurement is based on data collected at the CMS experiment at $$ \sqrt{s} $$ s = 13 TeV, corresponding to an integrated luminosity of 35.9 fb −1. The observed significance of the signal is 3.9 standard deviations, where a significance of 5.2 standard deviations is expected in the standard model. These results are combined with published results by CMS at $$ \sqrt{s} $$ s = 8 TeV, which leads to observed and expected respective significances of 4.7 and 5.5 standard deviations. From the 13 TeV data, a value is obtained for the signal strength of electroweak Zγjj production and bounds are given on quartic vector boson interactions in the framework of dimension-eight effective field theory operators. |
| Anahtar Kelimeler |
