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001-es BibID:	BIBFORM120374
035-os BibID:	(Scopus)85126790856 (WoS)000750848900001
Első szerző:	CMS Collaboration
Cím:	Study of quark and gluon jet substructure in Z+jet and dijet events from pp collisions / The CMS collaboration
Dátum:	2022
ISSN:	1126-6708 1029-8479
Megjegyzések:	Measurements of jet substructure describing the composition of quark- and gluon-initiated jets are presented. Proton-proton (pp) collision data at root{s} = 13 TeV collected with the CMS detector are used, corresponding to an integrated luminosity of 35.9 fb^-1. Generalized angularities are measured that characterize the jet substructure and distinguish quark- and gluon-initiated jets. These observables are sensitive to the distributions of transverse momenta and angular distances within a jet. The analysis is performed using a data sample of dijet events enriched in gluon-initiated jets, and, for the first time, a Z+jet event sample enriched in quark-initiated jets. The observables are measured in bins of jet transverse momentum, and as a function of the jet radius parameter. Each measurement is repeated applying a "soft drop" grooming procedure that removes soft and large angle radiation from the jet. Using these measurements, the ability of various models to describe jet substructure is assessed, showing a clear need for improvements in Monte Carlo generators.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Hadron-Hadron Scattering Jet Physics
Megjelenés:	Journal of High Energy Physics. - 2022 : 1 (2022), p. 1-53. -
További szerzők:	Bartók Márton (fizikus) Karancsi János (1987-) (fizikus) Raics Péter (1944-) (fizikus) Trócsányi Zoltán (1961-) (fizikus) Ujvári Balázs (1977-) (fizikus)
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