Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Negative parity $\Lambda$ and $\Sigma$ resonances coupled to
  pseudoscalar and vector mesons   An exploration of the dynamically generated $\Lambda$ and $\Sigma$ resonances
has been made in the vector meson-baryon (VB) systems coupled to pseudoscalar
meson-baryon (PB) channels. The VB interactions are obtained from the
Lagrangians written within the hidden local symmetry which, in addition to
Yukawa-type vector-baryon-baryon (VBB) vertices, naturally gives rise to a
contact interaction. Using the VBB vertices, we calculate the $t$-, $s$- and
$u$-channel diagrams considering the octet baryon exchange in the latter two
cases. For the PB channels we rely on the the Weingberg-Tomozawa interactions
and calculate the PB $\leftrightarrow$ VB transition amplitudes extending the
Kroll-Ruderman theorem by replacing the photon by the vector mesons. In
addition to the low-lying $\Lambda(1405)$, $\Lambda(1670)$ found in previous
works, we find resonances which coincide well with: $\Lambda(2000)$,
$\Sigma(1750) S_{11}$, $\Sigma(1940) D_{13}$, $\Sigma(2000) S_{11}$ and predict
three $\Lambda^*$'s with $J^\pi = 3/2^-$ and masses: $1754 - i2$ MeV, $1862 -
i33$ MeV, $2139 - i14$ MeV together with a broad $1/2^-$ $\Sigma^*$ with mass
$\sim$ 1430 MeV. We find that most of these next-to-low-lying states couple
weakly with the pseudoscalar mesons, which implies that it is important to
study the reactions with VB final states in order to obtain a reliable
information on the properties of such resonances.

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The categories of this paper are: q-bio
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The categories of this paper are: bayes-an
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The categories of this paper are: funct-an
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-alg
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The categories of this paper are: cs
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The categories of this paper are: dg-ga
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The categories of this paper are: ao-sci
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The categories of this paper are: acc-phys
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The categories of this paper are: quant-ph
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The categories of this paper are: math
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The categories of this paper are: astro-ph
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The categories of this paper are: math-ph
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The categories of this paper are: chem-ph