Resonances, chiral symmetry, coupled channel unitarity and effective Lagrangians
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Resonances, chiral symmetry, coupled channel unitarity and effective Lagrangians

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Resonances, chiral symmetry, coupled channel unitarity and effective Lagrangians

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Peláez Sagredo, José Ramón; Oller Berber, José Antonio; Oset Báguena, Eulogio Perfil
This document is a artículoDate2000

Este documento está disponible también en : http://hdl.handle.net/10550/46832
By means of a coupled channel non-perturbative unitary approach, it is possible to extend the strong constrains of Chiral Perturbation Theory to higher energies. In particular, it is possible to reproduce the lowest lying resonances in meson-meson scattering up to 1.2 GeV using the parameters of the O(p^2) and O(p^4) Chiral Lagrangian. We report on an update of these results examining their possible relevance for meson spectroscopy.

    Peláez Sagredo, José Ramón Oller Berber, José Antonio Oset Báguena, Eulogio 2000 Resonances, chiral symmetry, coupled channel unitarity and effective Lagrangians Nuclear Physics A 675 1-2 92C 95C
http://dx.doi.org/10.1016/S0375-9474(00)00224-4

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