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001-es BibID:	BIBFORM121371
035-os BibID:	(WoS)001190744000001 (Scopus)85187264509
Első szerző:	CMS Collaboration
Cím:	Search for new Higgs bosons via same-sign top quark pair production in association with a jet in proton-proton collisions at root{s} = 13 TeV / CMS Collaboration
Dátum:	2024
ISSN:	0370-2693
Megjegyzések:	A search is presented for new Higgs bosons in proton-proton (pp) collision events in which a same-sign top quark pair is produced in association with a jet, via the pp -> tH/ A -> tt (c) over bar and pp -> tH/ A -> tt<(u)over bar processes. Here, H and A represent the extra scalar and pseudoscalar boson, respectively, of the second Higgs doublet in the generalized two-Higgs-doublet model (g2HDM). The search is based on pp collision data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 138 fb(-1). Final states with a same-sign lepton pair in association with jets and missing transverse momentum are considered. New Higgs bosons in the 200-1000GeV mass range and new Yukawa couplings between 0.1 and 1.0 are targeted in the search, for scenarios in which either H or A appear alone, or in which they coexist and interfere. No significant excess above the standard model prediction is observed. Exclusion limits are derived in the context of the g2HDM.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk CMS Extra Higgs boson Top quarks Yukawa couplings
Megjelenés:	Physics Letters B. - 850 (2024), p. 1-26. -
További szerzők:	Bartók Márton (fizikus) Raics Péter (1944-) (fizikus) Ujvári Balázs (1977-) (fizikus) Zilizi Gyula (1965-) (fizikus) Karancsi János (1987-) (fizikus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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