Effect of event selection on jetlike correlation measurement in $d$+Au collisions at $\sqrt{s_{\mathrm{NN}}}=200$ GeV

Abstract

Dihadron correlations are analyzed in $\sqrt{s_{{}_{\mathrm{NN}}}}=200$ GeV $d$+Au collisions classified by forward charged particle multiplicity and zero-degree neutral energy in the Au-beam direction. It is found that the jetlike correlated yield increases with the event multiplicity. After taking into account this dependence, the non-jet contribution on the away side is minimal, leaving little room for a back-to-back ridge in these collisions.

7 pages, 3 figures

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