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001-es BibID:	BIBFORM123698
035-os BibID:	(WoS)000349863700004 (Scopus)84922375087
Első szerző:	Khachatryan, V.
Cím:	Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets / V. Khachatryan, CMS Collaboration
Dátum:	2015
ISSN:	0031-9007
Megjegyzések:	A study of vector boson scattering in pp collisions at a center-of-mass energy of 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.4 fb(-1) collected with the CMS detector. Candidate events are selected with exactly two leptons of the same charge, two jets with large rapidity separation and high dijet mass, and moderate missing transverse energy. The signal region is expected to be dominated by electroweak same-sign W-boson pair production. The observation agrees with the standard model prediction. The observed significance is 2.0 standard deviations, where a significance of 3.1 standard deviations is expected based on the standard model. Cross section measurements for (WW +/-)-W-+/- and WZ processes in the fiducial region are reported. Bounds on the structure of quartic vector-boson interactions are given in the framework of dimension-eight effective field theory operators, as well as limits on the production of doubly charged Higgs bosons.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk A-center Boson scattering Center-of-mass energies Data sample Integrated luminosity New physics Standard deviation The standard model Vector boson
Megjelenés:	Physical Review Letters. - 114 : 5 (2015), p. 1-16. -
További szerzők:	Karancsi János (1987-) (fizikus) Makovec Alajos (1987-) (fizikus) Raics Péter (1944-) (fizikus) Trócsányi Zoltán (1961-) (fizikus) Ujvári Balázs (1977-) (fizikus) CMS Collaboration
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