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001-es BibID:	BIBFORM121443
035-os BibID:	(WoS)001202461200001 (Scopus)85188643573
Első szerző:	CMS Collaboration
Cím:	Study of azimuthal anisotropy of Upsilon(1S) mesons in pPb collisions at root{s_NN} = 8.16 TeV / CMS Collaboration
Dátum:	2024
ISSN:	0370-2693
Megjegyzések:	The azimuthal anisotropy of Upsilon(1S) mesons in high-multiplicity proton-lead collisions is studied using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy of 8.16 TeV. The Upsilon(1S) mesons are reconstructed using their dimuon decay channel. The anisotropy is characterized by the second Fourier harmonic coefficients, found using a two-particle correlation technique, in which the Upsilon(1S) mesons are correlated with charged hadrons. A large pseudorapidity gap is used to suppress short-range correlations. Nonflow contamination from the dijet background is removed using a low-multiplicity subtraction method, and the results are presented as a function of Upsilon(1S) transverse momentum. The azimuthal anisotropies are smaller than those found for charmonia in proton-lead collisions at the same collision energy, but are consistent with values found for Upsilon(1S) mesons in lead-lead interactions at a nucleon-nucleon center-of-mass energy of 5.02 TeV.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk CMS Flow Heavy ion pPb Upsilon v2
Megjelenés:	Physics Letters B. - 850 (2024), p. 1-25. -
További szerzők:	Bartók Márton (fizikus) Karancsi János (1987-) (fizikus) Raics Péter (1944-) (fizikus) Ujvári Balázs (1977-) (fizikus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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