Alternative calculation of the physical mass of the p-meson

We have derived an expression for the physical mass and width of the ρ-meson in vacuum from its spectral function, calculated in the vector meson dominance model when a ρ 0 meson couples to two virtual pions π +–π −. The propagator is computed after evaluating the ρ-meson self-energy. The real part...

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Detalhes bibliográficos
Autores principales: Morones Ramírez, Rubén, Mejía Rosales, Sergio
Formato: Artigo
Idioma:English
Publicado em: World Scientific Publishing Company 2005
Assuntos:
Acesso em linha:http://eprints.uanl.mx/8962/1/ALTERNATIVE%20CALCULATION%20OF%20THE%20PHYSICAL%20MASS%20OF.pdf