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001-es BibID:	BIBFORM121747
035-os BibID:	(WoS)000437348700001 (Scopus)85064670745
Első szerző:	CMS Collaboration
Cím:	Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at root{s} = 13 TeV / CMS Collaboration
Dátum:	2018
ISSN:	1126-6708 1029-8479
Megjegyzések:	A search for flavor-changing neutral currents (FCNC) in events with the top quark and the Higgs boson is presented. The Higgs boson decay to a pair of b quarks is considered. The data sample corresponds to an integrated luminosity of 35.9 fb(-1) recorded by the CMS experiment at the LHC in proton-proton collisions at root s = 13TeV. Two channels are considered: single top quark FCNC production in association with the Higgs boson (pp -> tH), and top quark pair production with FCNC decay of the top quark (t -> qH). Final states with one isolated lepton and at least three reconstructed jets, among which at least two are associated with b quarks, are studied. No significant deviation is observed from the predicted background. Observed (expected) upper limits at 95% confidence level are set on the branching fractions of top quark decays, B(t -> uH) < 0.47% (0.34%) and B(t -> cH) < 0.47% (0.44%), assuming a single nonzero FCNC coupling.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk FCNC Interaction Hadron-Hadron scattering (experiments) Higgs physics Top physics
Megjelenés:	Journal of High Energy Physics. - 2018 : 6 (2018), p. 1-37. -
További szerzők:	Karancsi János (1987-) (fizikus) Bartók Márton (fizikus) Raics Péter (1944-) (fizikus) Trócsányi Zoltán (1961-) (fizikus) Ujvári Balázs (1977-) (fizikus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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