Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2007-02-08
J.Phys.G34:S741-744,2007
Physics
Nuclear Physics
Nuclear Experiment
4 pages, 4 figures, proceedings for Quark Matter 2006
Scientific paper
10.1088/0954-3899/34/8/S86
Charm production from the direct reconstruction of $D^0$ ($D^0\to K\pi$ up to 2 GeV/$c$) and indirect lepton measurements via charm semileptonic decays ($c\to e+X$ at 0.9\textless$p_T$\textless5.0 GeV/$c$ and $c\to \mu+X$ at 0.17\textless$p_{T}$\textless0.25 GeV/$c$) at $\sqrt{s_{_{NN}}}=200$ GeV Au+Au collisions are analyzed. The transverse momentum ($p_T$) spectra and the nuclear modification factors for $D^0$ and for leptons from heavy flavor decays is presented. Scaling of charm cross-section with number of binary collisions at $\sqrt{s_{_{NN}}}=200$ GeV from d+Au to Au+Au collisions is reported.
for the STAR Collaboration
Zhong Chen
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