Electroweak production of two jets in association with a Z boson in proton-proton collisions at s√=s= 13TeV; The European Physical Journal C; Vol. 78, iss. 7

Electroweak production of two jets in association with a Z boson in proton-proton collisions at s√=s= 13TeV; The European Physical Journal C; Vol. 78, iss. 7

Detaylı Bibliyografya
Parent link:	The European Physical Journal C: Scientific Journal Vol. 78, iss. 7.— 2018.— [589, 33 р.,]
Müşterek Yazar:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Diğer Yazarlar:	Sirunyan А. М., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Asilar E. Ece, Bergauer T. Thomas, Babaev A. A. Anton Anatoljevich
Özet:	Title screen A measurement of the electroweak (EW) production of two jets in association with a ZZ boson in proton-proton collisions at s√=13TeVs=13TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity of 35.9fb--1fb--1. The measurement is performed in the ℓℓjjℓℓjj final state with ℓℓ including electrons and muons, and the jets j corresponding to the quarks produced in the hard interaction. The measured cross section in a kinematic region defined by invariant masses mℓℓ>50GeVmℓℓ>50GeV, mjj>120GeVmjj>120GeV, and transverse momenta pTj>25GeVpTj>25GeV is σEW(ℓℓjj)=534±20(stat)±57(syst) fbσEW(ℓℓjj)=534±20(stat)±57(syst) fb, in agreement with leading-order standard model predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. No evidence is found and limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are −2.6<cWWW/Λ2<2.6TeV−2−2.6<cWWW/Λ2<2.6TeV−2 and −8.4<cW/Λ2<10.1TeV−2−8.4<cW/Λ2<10.1TeV−2. The additional jet activity of events in a signal-enriched region is also studied, and the measurements are in agreement with predictions.
Dil:	İngilizce
Baskı/Yayın Bilgisi:	2018
Konular:	электронный ресурс труды учёных ТПУ physics vector boson fusion electroweak interaction cross section физика поперечное сечение
Online Erişim:	https://doi.org/10.1140/epjc/s10052-018-6049-9
Materyal Türü:	Elektronik Kitap Bölümü
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661215

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