Covariant and ligth-front approaches to the rho-meson eletromagnetic form factors

Abstract

The rho-meson eletromagnetic form factors are calculated, both in covariant and light-front framework with constituintes quarks. The effect of the breakdown rotational symmetry for the one-body current operador in the null-plane is investigate by comparing calculations within ligth-front and covariant approaches.

19 pages include 3 Postscript figures (g0.ps,g1.ps and g2.ps), figures format changed to facilitate downloading, correction name author, use latex,revtex. e-mail: [email protected] and [email protected], (preprint#IFUSP/P-1241)

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