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


The properties of mesonic resonances can be calculated in terms of the low-energy coefficients of chiral perturbation theory (χ\chiPT) by extending unitarized χ\chiPT 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 χ\chiPT 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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oaioai:edpsciences.org:dkey/10.1140/epja/i2002-10302-7Last time updated on 4/10/2020

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