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Determination of vector meson properties by matching resonance saturation to a constituent quark model

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Abstract.

The properties of mesonic resonances can be calculated in terms of the low-energy coefficients of chiral perturbation theory (\(\chi\)PT) by extending unitarized \(\chi\)PT to higher energies. On the other hand, these low-energy coefficients can be calculated in two different models, namely i) by assuming resonance saturation and ii) within a constituent quark model. By matching the expressions of the two models combined with the results of unitarized \(\chi\)PT and the Weinberg sum rules, the properties of vector and axial-vector mesons can be calculated in the combined large-N c and chiral limit.

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Authors and Affiliations

  1. Institut für Theoretische Physik, Universität Giessen, Giessen, Germany

    S. Leupold

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  1. S. Leupold
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Correspondence to S. Leupold.

Additional information

Received: 30 September 2002, Published online: 22 October 2003

PACS:

12.39.Fe Phenomenological quark models: Chiral Lagrangians - 14.40.Cs Properties of specific particles: Other mesons with S = C = 0, mass < 2.5 GeV

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Leupold, S. Determination of vector meson properties by matching resonance saturation to a constituent quark model. Eur. Phys. J. A 18, 219–221 (2003). https://doi.org/10.1140/epja/i2002-10302-7

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  • DOI: https://doi.org/10.1140/epja/i2002-10302-7

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