Nuclear Effects on Hadron Production in d+Au and p+p Collisions at sqrt(s_NN)=200 GeV

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dc.creatorPHENIX Collaboration
dc.creatorAdler, S. S.
dc.date2006-03-08
dc.date.accessioned2026-07-07T11:59:57Z
dc.date.available2026-07-07T11:59:57Z
dc.descriptionPHENIX has measured the centrality dependence of mid-rapidity pion, kaon and proton transverse momentum distributions in d+Au and p+p collisions at sqrt(s_NN) = 200 GeV. The p+p data provide a reference for nuclear effects in d+Au and previously measured Au+Au collisions. Hadron production is enhanced in d+Au, relative to independent nucleon-nucleon scattering, as was observed in lower energy collisions. The nuclear modification factor for (anti) protons is larger than that for pions. The difference increases with centrality, but is not sufficient to account for the abundance of baryon production observed in central Au+Au collisions at RHIC. The centrality dependence in d+Au shows that the nuclear modification factor increases gradually with the number of collisions suffered by each participant nucleon. We also present comparisons with lower energy data as well as with parton recombination and other theoretical models of nuclear effects on particle production.
dc.description330 authors, 13 pages text, RevTeX4, 18 figures, 2 tables. Submitted to Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html
dc.identifierhttps://arxiv.org/abs/nucl-ex/0603010
dc.identifierhttp://arxiv.org/abs/nucl-ex/0603010
dc.identifierPhys.Rev.C74:024904,2006
dc.identifierdoi:10.1103/PhysRevC.74.024904
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206748
dc.subjectNuclear Experiment
dc.titleNuclear Effects on Hadron Production in d+Au and p+p Collisions at sqrt(s_NN)=200 GeV
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