Form factors of meson decays in constituent quark model

Details Form factors of meson decays in constituent quark model Form factors of meson decays in constituent quark model

1996-07-02

arxiv.org/abs/hep-ph/9607216v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contributed to 3rd German-Russian Workshop 'Heavy Quark Physics', 20-22 May, 1996, revtex, 4 pages

Scientific paper

Meson decays are considered within the constituent quark model, making use of the dispersion formulation of the model: Starting with spacelike momentum transfers $q$, meson transition form factors are expressed as relativistic invariant double spectral representations over the invariant masses of the initial and final $Q\bar Q$ pairs. The form factors at timelike momentum transfers are obtained by performing the analytical continuation in $q^2$. As a result, the form factors both in the scattering and decay regions are expressed through the light--cone wave functions of the initial and final hadrons. The constituent quark transition form factor is briefly discussed.

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