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Photoproduction of meson and baryon resonances in a chiral unitary approach

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Valencià Castellano

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Photoproduction of meson and baryon resonances in a chiral unitary approach

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Oset Báguena, Eulogio; Marco Rubio, Eugenio; Nácher Díez, José Carlos; Oller Berber, José Antonio; Peláez Sagredo, José Ramón; Ramos Gómez, Àngels; Toki, Hiroshi

Aquest document és un/a article, creat/da en: 2000

By means of a coupled channel non-perturbative unitary approach, it is possible to extend the strong constrains of Chiral Perturbation Theory to higher energies. In particular, it is possible to reproduce the lowest lying resonances in meson-meson scattering up to 1.2 GeV using the parameters of the O(p^2) and O(p^4) Chiral Lagrangian. The meson baryon sector can also be tackled along similar lines. We report on an update of these results showing some examples of photon induced reactions where the techniques have been recently applied.

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