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Low- and Intermediate-p$_T$ Di-hadron Distributions in Au+Au Collisions at $\sqrt{s_{NN}}=200$ GeV from STAR

By M. J. Horner

Abstract

We present a study of low- and intermediate-p$_T$ correlated azimuthal angular distributions in Au+Au collisions at $\sqrt{s_{NN}}=200 \rm{GeV}$ from STAR. The near-side associated yields in Au+Au collisions are found to be strongly enhanced, due to contributions from large $\Delta\eta$. The enhancement is reduced for high \pTtrig. We show a strong broadening and enhancement of the away-side yield. The evolution of the away-side shape may be explained as the sum of a broad structure from bulk response and a narrow peak from jet fragmentation.Comment: 4 pages, 3 figure

Topics: Nuclear Experiment
Publisher: 'IOP Publishing'
Year: 2007
DOI identifier: 10.1088/0954-3899/34/8/S142
OAI identifier: oai:arXiv.org:nucl-ex/0701069

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