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001-es BibID:	BIBFORM122047
035-os BibID:	(WoS)000519702200007 (Scopus)85082688747
Első szerző:	PHENIX Collaboration
Cím:	Nuclear-modification factor of charged hadrons at forward and backward rapidity in p+Al and p+Au collisions at root{s_NN} = 200 GeV / PHENIX Collaboration
Dátum:	2020
ISSN:	2469-9985 2469-9993
Megjegyzések:	The PHENIX experiment has studied nuclear effects in p + Al and p + Au collisions at root S-NN = 200GeV on charged hadron production at forward rapidity (1.4 < eta < 2.4, p-going direction) and backward rapidity (-2.2 < eta < -1.2, A-going direction). Such effects are quantified by measuring nuclear modification factors as a function of transverse momentum and pseudorapidity in various collision multiplicity selections. In central p + Al and p + Au collisions, a suppression (enhancement) is observed at forward (backward) rapidity compared to the binary scaled yields in p + p collisions. The magnitude of enhancement at backward rapidity is larger in p + Au collisions than in p + Al collisions, which have a smaller number of participating nucleons. However, the results at forward rapidity show a similar suppression within uncertainties. The results in the integrated centrality are compared with calculations using nuclear parton distribution functions, which show a reasonable agreement at the forward rapidity but fail to describe the backward rapidity enhancement.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Physical Review C. - 101 : 3 (2020), p. 1-16. -
További szerzők:	Dávid Gábor (fizikus) Lovász K. (fizikus) Majoros Tamás Sun, Z. (fizikus) Tarnai G. Ujvári Balázs (1977-) (fizikus)
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