Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Heavy-quark deep-inelastic scattering with a running mass   We study the production of heavy quarks in deep-inelastic scattering within
perturbative QCD. As a novelty, we employ for the first time the running mass
definition in the MSbar scheme for deep-inelastic charm and bottom production.
We observe an improved stability of the perturbative expansion and a reduced
theoretical uncertainty due to variations of the renormalization and
factorization scales. As our best estimate we extract from a global fit to
fixed-target and HERA collider data for the charm-quark an MSbar mass of
m_c(m_c) = 1.01 +- 0.09 (exp) +- 0.03 (th) GeV.

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The categories of this paper are: chem-ph
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The categories of this paper are: math
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The categories of this paper are: adap-org
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ex
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The categories of this paper are: hep-th
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The categories of this paper are: alg-geom
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The categories of this paper are: physics
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The categories of this paper are: cond-mat
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: q-fin
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The categories of this paper are: eess
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-lat