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dc.contributor.authorCastilho, Wagner M. [UNESP]
dc.contributor.authorQian, Wei-Liang [UNESP]
dc.contributor.authorGardim, Fernando G.
dc.contributor.authorHama, Yogiro
dc.contributor.authorKodama, Takeshi
dc.identifier.citationPhysical Review C, v. 95, n. 6, 2017.
dc.description.abstractMeasurements of di-hadron azimuthal correlations at different centralities for Au+Au collisions at 200A GeV were reported by the PHENIX Collaboration. The data were presented for different ranges of transverse momentum. In particular, it was observed that the away-side correlation evolves from a double- to a single-peak structure when the centrality decreases. In this work, we show that these features naturally appear due to an interplay between the centrality-dependent smooth background elliptic flow and the one produced by event-by-event fluctuating peripheral tubes. To compare with the PHENIX data, we also carry out numerical simulations by using a hydrodynamical code nexspherio, and calculate the correlations by both cumulant and the ZYAM method employed by the PHENIX Collaboration. Our results are in reasonable agreement with the data. A brief discussion on the physical content of the present model and its difference from other viewpoints is also presented.en
dc.relation.ispartofPhysical Review C
dc.titleHydrodynamic approach to the centrality dependence of di-hadron correlationsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal de Alfenas
dc.contributor.institutionUniversidade Federal do Rio de Janeiro (UFRJ)
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho
dc.description.affiliationUniversidade de São Paulo
dc.description.affiliationUniversidade Federal de Alfenas
dc.description.affiliationUniversidade Federal Do Rio de Janeiro
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho
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