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001-es BibID:	BIBFORM120098
035-os BibID:	(Scopus)85123911583 (WoS)000792884500019
Első szerző:	CMS Collaboration
Cím:	Search for W[gamma] resonances in proton-proton collisions at root{s} = 13 TeV using hadronic decays of Lorentz-boosted W bosons / The CMS Collaboration
Dátum:	2022
ISSN:	0370-2693
Megjegyzések:	A search for W[gamma] resonances in the mass range between 0.7 and 6.0 TeV is presented. The W boson is reconstructed via its hadronic decays, with the final-state products forming a single large-radius jet, owing to a high Lorentz boost of the W boson. The search is based on proton-proton collision data at root{s}=13 TeV, corresponding to an integrated luminosity of 137 fb^-1, collected with the CMS detector at the LHC in 2016-2018. The W[gamma] mass spectrum is parameterized with a smoothly falling background function and examined for the presence of resonance-like signals. No significant excess above the predicted background is observed. Model-specific upper limits at 95% confidence level on the product of the cross section and branching fraction to the W[gamma] channel are set. Limits for narrow resonances and for resonances with an intrinsic width equal to 5% of their mass, for spin-0 and spin-1 hypotheses, range between 0.17 fb at 6.0 TeV and 55 fb at 0.7 TeV. These are the most restrictive limits to date on the existence of such resonances over a large range of probed masses. In specific heavy scalar (vector) triplet benchmark models, narrow resonances with masses between 0.75 (1.15) and 1.40 (1.36) TeV are excluded for a range of model parameters. Model-independent limits on the product of the cross section, signal acceptance, and branching fraction to the W[gamma] channel are set for minimum W[gamma] mass thresholds between 1.5 and 8.0 TeV.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk CMS Wgamma resonances BSM particles
Megjelenés:	Physics Letters B. - 826 (2022), p. 1-28. -
További szerzők:	Bartók Márton (fizikus) Karancsi János (1987-) (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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