J/$ψ$ Production in p+p and d+Au Collisions at $\sqrt{S_{NN}}$ = 200 GeV at STAR

Details J/$ψ$ Production in p+p and d+Au Collisions at $\sqrt{S_{NN}}$ = 200 GeV at STAR J/$ψ$ Production in p+p and d+Au Collisions at $\sqrt{S_{NN}}$ = 200 GeV at STAR

2009-07-25

arxiv.org/abs/0907.4396v2

Nucl.Phys.A830:231c-234c,2009

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 3 figures, - to appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee

Scientific paper

10.1016/j.nuclphysa.2009.10.018

We present analysis of J/$\psi$ production over the range $-1.0 < \eta < 4.2$ in p+p and d+Au collisions using di-electron data taken during the 2008 run with the STAR experiment at Brookhaven National Laboratory. STAR's unique forward capabilities, especially the Forward Meson Spectrometer electromagnetic calorimeter, allow us the possibility of investigating the intrinsic charm components of the proton wave function using high-$x_F$ forward particles produced in asymmetric partonic collisions. Mid-rapidity measurements in d+Au collisions extend our understanding of the mechanisms underlying heavy quarkonium production and its transport through cold nuclear matter.

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