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dc.contributor.authorVicente Vacas, Manuel J.-
dc.contributor.authorGeng, Li Sheng-
dc.contributor.authorMartín Cámalich, Jorge-
dc.contributor.authorÁlvarez Ruso, Luis-
dc.identifier.citationNuclear Physics - Section A 835 (1-4): 337-341 (2010)en_US
dc.description10th International Conference on Hypernuclear and Strange Particle Physics. Tokai, JAPAN, SEP 14-18, 2009en_US
dc.description.abstractThe development of chiral perturbation theory in hyperon phenomenology has been troubled due to power-counting subtleties and to a possible slow convergence. Furthermore, the presence of baryon-resonances, e.g. the lowest-lying decuplet, complicates the approach, and the inclusion of their effects may become necessary. Recently, we have shown that a fairly good convergence is possible using a renormalization prescription of the loop-divergencies which recovers the power counting, is covariant and consistent with analyticity. Moreover, we have systematically incorporated the decuplet resonances taking care of both power-counting and consistency problems. A model-independent understanding of diferent properties including the magnetic moments of the baryon-octet, the electromagnetic structure of the decuplet resonances and the hyperon vector coupling f(1) (0), has been successfully achieved within this approach. We will briefly review these developments and stress the important role they play for an accurate determination of the Cabibbo-Kobayashi-Maskawa matrix element V-us hyperon semileptonic decay data.en_US
dc.format.extent61002 bytes-
dc.subjectChiral perturbation theoryen_US
dc.subjectHyperon phenomenologyen_US
dc.titleProperties of hyperons in chiral perturbation theoryen_US
dc.typecomunicación de congresoen_US
dc.relation.publisherversionhttp://dx.doi.org/ 10.1016/j.nuclphysa.2010.01.213en_US
Appears in Collections:(IFIC) Comunicaciones congresos
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