6533b855fe1ef96bd12b1486

RESEARCH PRODUCT

Kaon-antikaon nuclear optical potentials and the kappa meson in the nuclear medium

D. CabreraM. J. Vicente Vacas

subject

PhysicsNuclear and High Energy PhysicsParticle physicsNuclear TheoryMesonUnitarityScatteringPartial wave analysisNuclear TheoryFísicaFOS: Physical sciencesNuclear matterScattering amplitudeNuclear Theory (nucl-th)PionAmplitudeHigh Energy Physics::ExperimentNuclear Experiment

description

We study the properties of the kappa meson in the nuclear medium, starting from a chiral unitary model of S-wave, I=1/2 K-pi scattering, which describes the elastic K-pi phase shifts and generates a pole in the amplitude. Medium effects are considered by including pion and kaon selfenergies. We explore the changes in the kappa pole position and in the K-pi scattering amplitude at finite density, with two different models for the kaon selfenergy.

https://dx.doi.org/10.48550/arxiv.nucl-th/0403017