Jet properties from ${\pi }^{\pm }$ - $h^{\pm }$ correlation in $p+p$ and $d$+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Abstract

We review recent results on the charged pion - charged hadron correlation in $p+p$ and $d$ + Au collisions as measured by the PHENIX Collaboration. Properties of di-jet system, such as the jet shape, associated hadron yield per trigger pion, and the underlying event are extracted statistically from the ${\pi }^{\pm }-h^{\pm }$ correlation function in $\Delta \varphi$ and $\Delta \eta$. For jet triggered with high $p_T$ pions ($p_T>5$ GeV/c), no apparent differences in the jet properties are seen between $p+p$ and $d$ + Au.

Proceeding for Correlation and Fluctuation Workshop at MIT (April 2005), 11 pages, 17 figures, update a couple of formulas

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