Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Measurements of the Top Quark Mass in the Dilepton Decay Channel at the
  D0 Experiment   We present the most recent measurements of the top quark mass in the dilepton
decay channel at the D0 experiment using proton-antiproton collisions with a
center-of-mass energy of 1.96 TeV at the Tevatron collider. Two different
methods have been used: the Neutrino Weighting and the Matrix Element method.
The combined results yield a top mass of 174.4 +-3.8 GeV.

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The categories of this paper are: q-alg
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-lat
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The categories of this paper are: comp-gas
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The categories of this paper are: physics
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The categories of this paper are: atom-ph
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The categories of this paper are: cs
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The categories of this paper are: nlin
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The categories of this paper are: math-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: solv-int
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The categories of this paper are: nucl-ex
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The categories of this paper are: eess