Form factors in B->f0(980) and D->f0(980) transitions from dispersion relations
classification
✦ hep-ph
nucl-th
keywords
dispersionfactorsformrelationsspectralapproachdensitiesdiagram
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Within the dispersion relation approach we give the double spectral representation for space-like and time-like B-> f_0(980) and D-> f_0(980) transition form factors in the full q^2 range. The spectral densities, being the input of the dispersion relations, are obtained from a triangle diagram in the relativistic quark model.
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