Recent developments in chiral dynamics of hadrons and hadrons in a nuclear medium

Details Recent developments in chiral dynamics of hadrons and hadrons in a nuclear medium Recent developments in chiral dynamics of hadrons and hadrons in a nuclear medium

2006-07-24

arxiv.org/abs/nucl-th/0607051v1

Nucl.Phys.A782:259-266,2007

Physics

Nuclear Physics

Nuclear Theory

Talk at the Fifth International Conference on Perspectives in Hadronic Physics: Particle-Nucleus and Nucleus-Nucleus Scatterin

Scientific paper

10.1016/j.nuclphysa.2006.10.026

In this talk I present recent developments in chiral dynamics of hadrons and hadrons in a medium addressing the following points: interaction of the octet of pseudoscalar mesons with the octet of baryons of the nucleon, showing recent experimental evidence on the existence of two $\Lambda(1405)$ states, the interaction of the octet of pseudoscalar mesons with the decuplet of baryons of the $\Delta$, with particular emphasis on the $\Lambda(1520)$ resonance, dynamically generated by this interaction. Then I review the interaction of kaons in a nuclear medium and briefly discuss the situation around the claims of deeply bound states in nuclei. The large renormalization of the $\Lambda(1520)$ in the nuclear medium is shown as another example of successful application of the chiral unitary techniques.

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