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Following a recent suggestion that the Theta(+) could be a KpiN bound state we perform an investigation under the light of the meson-meson and meson-baryon dynamics provided by the chiral Lagrangians and using methods currently employed to dynam[...]texto impreso
By describing within the chiral unitary approach the s-wave interaction of the vector meson nonet with the octet of pseudoscalar Goldstone Bosons, we find that the main component of the axial vector mesons b_1(1235), h_1(1170), h_1(1380), a_1(12[...]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[...]
