Abstract
Dihadron angular correlations in d+Au collisions at sNN=200 GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward charged hadron multiplicity in the Au-beam direction. A finite correlated yield is observed at large relative pseudorapidity (Δη) on the near side (i.e. relative azimuth Δϕ∼0). This correlated yield as a function of Δη appears to scale with the dominant, primarily jet-related, away-side (Δϕ∼π) yield. The Fourier coefficients of the Δϕ correlation, Vn=〈cosnΔϕ〉, have a strong Δη dependence. In addition, it is found that V1 is approximately inversely proportional to the mid-rapidity event multiplicity, while V2 is independent of it with similar magnitude in the forward (d-going) and backward (Au-going) directions.
Highlights
Repository CitationJames K.; Fatemi, Renee H.; Ramachandran, Suvarna; Adamczyk, L.; Agakishiev, G.; Aggarwal, M
GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward charged hadron multiplicity in the
A finite correlated yield is observed at large relative pseudorapidity ( η) on the near side
Summary
James K.; Fatemi, Renee H.; Ramachandran, Suvarna; Adamczyk, L.; Agakishiev, G.; Aggarwal, M. This article is available at UKnowledge: https://uknowledge.uky.edu/physastron_facpub/352
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