Modeling electromagnetic form factors of light and heavy pseudoscalar mesons

The electromagnetic form factors of light and heavy pseudoscalar mesons are calculated within two covariant constituent-quark models, a light-front and a dispersion relation approach. We investigate the details and physical origins of the model dependence of various hadronic observables: the weak de...

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Bibliographic Details
Published in:Brazilian journal of physics 2008-09, Vol.38 (3b), p.465-471
Main Authors: El-Bennich, B., Melo, J. P. B. C. de, Loiseau, B., Dedonder, J.-P., Frederico, T.
Format: Article
Language:English
Subjects:
High Energy Physics - Phenomenology
Physics
PHYSICS, MULTIDISCIPLINARY
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Summary:The electromagnetic form factors of light and heavy pseudoscalar mesons are calculated within two covariant constituent-quark models, a light-front and a dispersion relation approach. We investigate the details and physical origins of the model dependence of various hadronic observables: the weak decay constant, the charge radius and the elastic electromagnetic form factor.
ISSN:0103-9733
1678-4448
DOI:10.1590/S0103-97332008000400016