6533b825fe1ef96bd128348b
RESEARCH PRODUCT
Chiral dynamics in systems with strangeness
S.s. KamalovDaisuke JidoEulogi OsetJ.e. PalomarC. BennholdAngels Ramossubject
PhysicsParticle physicsChiral perturbation theoryNuclear TheoryDynamics (mechanics)Nuclear TheoryFOS: Physical sciencesFísicaContext (language use)Scattering lengthStrangenessNuclear Theory (nucl-th)Nuclear ExperimentNuclear theorydescription
In this talk a brief review of several problems involving systems with strangeness is made. In the first place one shows how the $\Lambda (1405)$, $\Lambda(1670)$ and $\Sigma(1620)$ states, for $S = -1$, and the $\Xi(1620)$ for $S= -2$ are generated dynamically in the context of unitarized chiral perturbation theory. The results for the $\bar{K}N$ interaction are then used to evaluate the $K^- d$ scattering length. Results obtained for the kaon selfenergy in a nuclear medium within this approach, with application to $K^-$ atoms, are also mentioned. Finally a few words are said about recent developments in the weak decay of $\Lambda$ hypernuclei and the puzzle of the $\Gamma_n/\Gamma_p$ ratio.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2002-10-25 |