6533b7d9fe1ef96bd126c3f0

RESEARCH PRODUCT

Chiral unitary approach to meson-meson and meson-baryon interactions and nuclear applications

Eulogi OsetJosé Antonio OllerAngels Ramos

subject

PhysicsNuclear and High Energy PhysicsParticle physicsChiral perturbation theoryMesonUnitarityNuclear TheoryScatteringHigh Energy Physics::LatticeNuclear TheoryHigh Energy Physics::PhenomenologyResonanceFOS: Physical sciencesFísicaUnitary stateBaryonNuclear Theory (nucl-th)High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)High Energy Physics::ExperimentNuclear Experiment

description

We report on recent nonperturbative techniques that combine the information of chiral Lagrangians (with and without resonances) with unitarity in coupled channels and other requirements of the S-matrix theory of the strong interactions. As a result, the region of applicability of such techniques is much larger than the one of Chiral Perturbation Theory allowing one to study also resonance physics. Applications to meson-meson and meson-baryon scattering, as well as to problems where pairs of mesons or a meson and a baryon appear in the initial or final state are shown. Implications in several nuclear problems are also discussed.

10.1016/s0146-6410(00)00104-6http://hdl.handle.net/10550/47014