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Oset, E. ; Hosaka, A ; Nacher, J. C. ; Oka, M. ; Oller, J. A. ; Parreño, A. ; Peláez Sagredo, José Ramón ; Ramos, A. ; Toki, H. | Elsevier Science BV | 2000-01-31We report on recent progress on the chiral unitary approach, which is shown to have a much larger convergence radius than ordinary chiral perturbation theory, allowing one to reproduce data for meson meson interaction up to 1.2 GeV and meson bar[...]texto impreso
Llanes Estrada, Felipe José ; Peláez Sagredo, José Ramón ; Vicente Vacas, M.J. ; Oset, E ; Hosaka, A ; Hyodo, T | American Physical Soc | 2005-04We study the two-meson virtual cloud contribution to the self-energy of the SU(3) antidecuplet, to which the Thet (+) pentaquark is assumed to belong. This is motivated by the large branching ratio of the N(1710) decay into two pions and one nuc[...]
