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Testing the nature of the resonance through photoproduction
L. Roca, E. Oset, H. Toki
Recent studies within the framework of chiral unitary theory produce the resonance, among several others, as a dynamically generated resonance from the interaction of the…
The phi --> pi^+ pi^- and phi radiative decays within a chiral unitary approach
E. Oset, S. Hirenzaki, E. Marco +3
We report on recent results on the decay of the phi into pi^+ pi^- and phi radiative decays into pi^0 pi^0 gamma and pi^0 eta gamma, which require the consideration of the final st…
A coupled channel unitary chiral approach to the meson-meson interaction and pion-pion scattering in a nuclear medium
E. Oset, J. A. Oller, J. R. Peláez +2
A new tool which combines chiral perturbation theory and unitarity in coupled channels is applied with success to the study of the meson-meson interaction, extending the theoretica…
Meson-Meson and Meson-Baryon Interactions in a chiral Non-perturbative Approach
E. Oset, J. A. Oller, J. R. Pelaez +1
A qualitative account of the meson-meson and meson-baryon interactions using chiral Lagrangians and the inverse amplitude method in coupled channels is done. The method, imposing e…
Chiral symmetry amplitudes in the S-wave isoscalar and isovector channels and the sigma, f_0(980), a_0(980) scalar mesons (HADRON'97)
J. A. Oller, E. Oset
We use a non-perturbative approach which combines coupled channel Lippmann-Schwinger equations with meson-meson potentials provided by the lowest order chiral Lagrangian. By means…