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22 papers · 2 filters
Unitarized chiral perturbation theory of hadrons
E. Oset
An exposition is made of recent developments using techniques of unitary chiral perturbation theory, , which allows one to extend predictions using chiral Lagrangians to hi…
Generalized parton distributions of the pion in a Bethe-Salpeter approach
S. Noguera, L. Theussl, V. Vento
We calculate generalized parton distribution functions in a field theoretic formalism using a covariant Bethe-Salpeter approach for the determination of the bound-state wave functi…
Chiral dynamics in systems with strangeness
E. Oset, D. Jido, J. Palomar +3
In this talk a brief review of several problems involving systems with strangeness is made. In the first place one shows how the , and states, for $S =…
The two pion decay of the Roper resonance
E. Hernández, E. Oset, M. J. Vicente Vacas
We evaluate the two pion decay of the Roper resonance in a model where explicit re-scattering of the two final pions is accounted for by the use of unitarized chiral perturbation t…
S=--1 Meson-Baryon Scattering in Coupled Channel Unitarized Chiral Perturbation Theory
C. Garcia-Recio, J. Nieves, E. Ruiz Arriola +1
The wave meson-baryon scattering amplitude is analyzed for the strangeness and isospin I=0 sector in a Bethe-Salpeter coupled channel formalism incorporating Chiral Symm…
Chiral unitary approach to hadron spectroscopy
E. Oset, T. Inoue, M. J. Vicente Vacas +2
The s-wave meson-baryon interaction in the , and sectors is studied by means of coupled channels, using the lowest-order chiral Lagrangian and the N/D method…