Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: J/$\psi$ production at high transverse momenta in p+p and Au+Au
  collisions at sqrt(s_{NN}) = 200 GeV   We report $J/\psi$ spectra for transverse momenta $p_T$> 5 GeV/$c$ at
mid-rapidity in p+p and Au+Au collisions at sqrt(s_{NN}) = 200 GeV.The
inclusive $J/\psi$ spectrum and the extracted $B$-hadron feed-down are compared
to models incorporating different production mechanisms. We observe significant
suppression of the $J/\psi$ yields for $p_T$> 5 GeV/$c$ in 0-30% Au+Au
collisions relative to the p+p yield scaled by the number of binary
nucleon-nucleon collisions in Au+Au collisions. In 30-60% collisions, no such
suppression is observed.The level of suppression is consistently less than that
of high-$p_T$ $\pi^{\pm}$ and low-$p_T$ $J/\psi$.

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The categories of this paper are: plasm-ph
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The categories of this paper are: physics
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The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
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The categories of this paper are: econ
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The categories of this paper are: cmp-lg
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: mtrl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: q-bio
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The categories of this paper are: q-alg
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The categories of this paper are: nlin
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The categories of this paper are: dg-ga