Chiral dynamics in systems with strangeness

Chiral dynamics in systems with strangeness

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Chiral dynamics in systems with strangeness

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Oset Báguena, Eulogio Perfil; Jido, D.; Palomar Burdeus, Juan Esteban; Ramos Gómez, Àngels; Bennhold, Cornelius; Kamalov, Sabit S.
This document is a artículoDate2003

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In this talk a brief review of several problems involving systems with strangeness is made. In the first place one shows how the Λ(1405), Λ(1670) and Σ(1620) states, for S=−1, and the Ξ(1620) for S=−2 are generated dynamically in the context of unitarized chiral perturbation theory. The results for the 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 Λ hypernuclei and the puzzle of the Γn/Γp ratio.

    Oset Báguena, Eulogio Jido, D. Palomar Burdeus, Juan Esteban Ramos Gómez, Àngels Bennhold, Cornelius Kamalov, Sabit S. 2003 Chiral dynamics in systems with strangeness Few-Body Systems 14 Supplem 263 268

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