Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Scalar-Meson - Baryon Coupling Constants in QCD Sum Rules   The external-field QCD Sum Rules method is used to evaluate the coupling
constants of the light-isoscalar scalar meson (``\sigma'' or \epsilon) to the
\Lambda, \Sigma, and \Xi baryons. It is shown that these coupling constants as
calculated from QCD Sum Rules are consistent with SU(3)-flavor relations, which
leads to a determination of the F/(F+D) ratio of the scalar octet assuming
ideal mixing: we find \alpha_s \equiv F/(F+D)=0.55. The coupling constants with
SU(3) breaking effects are also discussed.

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The categories of this paper are: quant-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-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: nucl-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: math
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-th
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The categories of this paper are: funct-an
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The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: alg-geom
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The categories of this paper are: bayes-an
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The categories of this paper are: mtrl-th