Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Nuclear Gluon Shadowing via Continuum Lepton Pairs in $p+A$ at $\sqrt
  s=200$ AGeV   The dilepton spectra from open charm decay in $p+A$ reactions at $\sqrt
s=200$ AGeV are proposed to constrain gluon shadowing in nuclei. We show that
the required measurements are feasible at RHIC.

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The categories of this paper are: bayes-an
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The categories of this paper are: dg-ga
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The categories of this paper are: econ
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The categories of this paper are: stat
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The categories of this paper are: adap-org
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The categories of this paper are: math-ph
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The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc
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The categories of this paper are: plasm-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-alg
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The categories of this paper are: chao-dyn
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci