Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Improved Measurements of Color-Suppressed Decays B0bar -> D0 pi0, D0
  eta, D0 omega, D*0 pi0, D*0 eta and D*0 omega   We present improved measurements of the branching fractions of the
color-suppressed decays $\bar{B}^0 \to D^{(*)0} h^{0}$ where $h^{0}$ represents
a light neutral meson $\pi^{0}$, $\eta$ or $\omega$. The measurements are based
on a data sample of 140 $fb^{-1}$, collected at the $\Upsilon(4S)$ resonance
with the Belle detector at the KEKB energy-asymmetric $e^+e^-$ collider,
corresponding to seven times the luminosity of the previous Belle measurements.
All the measured branching fractions fall in the range 1.4-2.4 $\times
10^{-4}$, which is significantly higher than theoretical predictions based on
naive factorization.

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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-fin
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The categories of this paper are: funct-an
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The categories of this paper are: math
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The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: bayes-an
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The categories of this paper are: gr-qc
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The categories of this paper are: patt-sol
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The categories of this paper are: alg-geom
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The categories of this paper are: math-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-th
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The categories of this paper are: stat