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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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Bibliographic Details
Main Authors:	Morones Ramírez, Rubén, Mejía Rosales, Sergio
Format:	Article
Language:	English
Published:	World Scientific Publishing Company 2005
Subjects:	QC Física
Online Access:	http://eprints.uanl.mx/8962/1/ALTERNATIVE%20CALCULATION%20OF%20THE%20PHYSICAL%20MASS%20OF.pdf

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