Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Resummation of double collinear logs in BK evolution versus HERA data   We present a global fit to HERA data on the reduced cross section measured in
electron-proton collisions in the region of small Bjorken-$x$: $x\le
x_0=10^{-2}$ and moderate to high values of the virtuality $Q^2<Q^2_{max}=650$
GeV$^2$. The main dynamical ingredients in the fits are two recently proposed
improved BK equations for the description of the small-$x$ evolution of the
dipole scattering amplitude. These two new equations provide an all-order
resummation of double collinear logarithms that arise beyond leading
logarithmic accuracy. We show that a very good description of data is possible
in both cases, provided the parent dipole or smallest dipole prescriptions are
employed for the running of the coupling.

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The categories of this paper are: astro-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: alg-geom
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The categories of this paper are: supr-con
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The categories of this paper are: atom-ph
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The categories of this paper are: physics
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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: econ
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The categories of this paper are: ao-sci
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The categories of this paper are: dg-ga
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The categories of this paper are: nucl-ex
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The categories of this paper are: nlin
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-th
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The categories of this paper are: quant-ph