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001-es BibID:	BIBFORM022785
035-os BibID:	(cikkazonosító)079 (WoS)000287937900001 (Scopus)80053395960
Első szerző:	CMS Collaboration
Cím:	Charged particle multiplicities in pp interactions at root{s}=0.9, 2.36, and 7 TeV / The CMS Collaboration
Dátum:	2011
ISSN:	1029-8479
Megjegyzések:	Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of sqrt(s) = 0.9, 2.36, and 7 TeV, in five pseudorapidity ranges from \|eta\|<0.5 to \|eta\|<2.4. The data were collected with the minimum-bias trigger of the CMS experiment during the LHC commissioning runs in 2009 and the 7 TeV run in 2010. The multiplicity distribution at sqrt(s) = 0.9 TeV is in agreement with previous measurements. At higher energies the increase of the mean multiplicity with sqrt(s) is underestimated by most event generators. The average transverse momentum as a function of the multiplicity is also presented. The measurement of higher-order moments of the multiplicity distribution confirms the violation of Koba-Nielsen-Olesen scaling that has been observed at lower energies.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Journal Of High Energy Physics. - 1 (2011), p. 1-38. -
További szerzők:	Trócsányi Zoltán (1961-) (fizikus) Pálinkás József (1952-) (fizikus) Ujvári Balázs (1977-) (fizikus)
Internet cím:	DOI Intézményi repozitóriumban (DEA) tárolt változat
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