Nature of the axial-vector mesons from their N-c behavior within the chiral unitary approach
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Nature of the axial-vector mesons from their N-c behavior within the chiral unitary approach

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Nature of the axial-vector mesons from their N-c behavior within the chiral unitary approach

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Geng, Li Sheng; Oset Báguena, Eulogio Perfil; Peláez Sagredo, José Ramón; Roca Zamora, Luis
Aquest document és un/a article, creat/da en: 2009
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(1260), f_1(1285) and the two states associated to the K_1(1270) does not follow the QCD dependence on the number of colors for ordinary qqbar mesons.

    Geng, Li Sheng Oset Báguena, Eulogio Peláez Sagredo, José Ramón Roca Zamora, Luis 2009 Nature of the axial-vector mesons from their N-c behavior within the chiral unitary approach European Physical Journal A 39 1 81 87
http://dx.doi.org/10.1140/epja/i2008-10689-y
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