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Dynamical Generation of Hyperon Resonances
A. Ramos, E. Oset, C. Bennhold +2
In this talk we report on how, using a chiral unitary approach for the meson--baryon interactions, two octets of baryon states and a singlet are generated dynamically,…
On the resonant and non-resonant contributions to B\toρπ
Jose A. Oller
We discuss the importance of the background in order to understand the scattering in the J^{PC}=0^{++} low and intermediate energy region and in particular regarding the σmeson. In…
The Mixing Angle of the Lightest Scalar Nonet
Jose A. Oller
We show that the κ, a_0(980), σand the f_0(980) resonances constitute the lightest scalar nonet in three different and complementary ways. First, by establishing the continuous mov…
Chiral Dynamics of the Two Λ(1405) States
D. Jido, J. A. Oller, E. Oset +2
Using a chiral unitary approach for the meson--baryon interactions, we show that two octets of J^π=1/2^- baryon states, which are degenerate in the limit of exact SU(3) symmetry, a…