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Meson resonances, large N_c and chiral symmetry

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arxiv hep-ph/0305311 v1 pith:N4KBZTYE submitted 2003-05-28 hep-ph

V. Cirigliano , G. Ecker , H. Neufeld , A. Pich This is my paper
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keywords chirallargelarge-nlimitmassmesonresonancessymmetry
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We investigate the implications of large N_c and chiral symmetry for the mass spectra of meson resonances. Unlike for most other mesons, the mass matrix of the light scalars deviates strongly from its large-N_c limit. We discuss the possible assignments for the lightest scalar nonet that survives in the large-N_c limit.

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Cited by 1 Pith paper

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  1. On the contribution from the light quarks to $H\to\gamma\gamma , \gamma Z$

    hep-ph 2025-07 conditional novelty 6.0 of 10

    The light-quark contribution to H to gamma gamma and H to gamma Z is nonzero and linear in quark masses, with a large enhancement in the two-photon channel.

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