Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Higgs Boson Production and Quark Scattering Amplitudes at High Energy
  through the Next-to-Next-to-Leading Power in Quark Mass   We study the amplitudes of the quark scattering by an external
electromagnetic field and of the light quark mediated Higgs boson production
via gluon fusion in the high-energy limit. The asymptotic behavior of the quark
form factors is obtained in the double-logarithmic approximation to all orders
in strong coupling constant through ${\cal O}(m_q^3)$ in the small quark mass
expansion and the asymptotic formula is given in a closed analytic form. In the
case of the two-gluon Higgs boson form factor we obtain a complete analytic
result for the three-loop ${\cal O}(m_q^3)$ double-logarithmic term while the
all-order analysis is performed in the large-$N_c$ limit of QCD and for the
abelian gauge group. An estimate of the high-order high-power light quark mass
effect in the Higgs boson production and decay is given.

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The categories of this paper are: bayes-an
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The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: nucl-ex
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The categories of this paper are: cs
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The categories of this paper are: funct-an
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The categories of this paper are: alg-geom
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The categories of this paper are: q-fin
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The categories of this paper are: cond-mat
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The categories of this paper are: hep-ex
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The categories of this paper are: econ
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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga