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eta nucleus optical potential in a chiral unitary approach
T. Inoue, E. Oset
The self-energy of an eta in a nuclear medium is calculated in a chiral unitary model, and applied to eta states in nuclei. Our calculation predicts an attractive eta nucleus optic…
decay within unitarized chiral perturbation theory
E. Oset, J. R. Pelaez, L. Roca
We improve the calculations of the decay within the context of meson chiral lagrangians. We use a chiral unitary approach for the meson-meson interaction, thus genera…
eta in the nuclear medium within a chiral unitary approach
T. Inoue, E. Oset
The self-energy of an eta meson in the nuclear medium is calculated in a chiral unitary approach. A coupled channel Bethe-Salpeter equation is solved to obtain the effective eta-N…
Magnetic moments of the Lambda(1405) and Lambda(1670) resonances
D. Jido, A. Hosaka, J. C. Nacher +2
By using techniques of unitarized chiral perturbation theory, where the and resonances are dynamically generated, we evaluate the magnetic moments of these reso…