most citedQuark mass dependence of the rho and sigma from dispersion relations and Chiral Perturbation Theory

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hep-ph2008★ 160 cited

Quark mass dependence of the rho and sigma from dispersion relations and Chiral Perturbation Theory

C. Hanhart, J. R. Pelaez, G. Rios

We use the one-loop Chiral Perturbation Theory pion-pion scattering amplitude and dispersion theory in the form of the inverse amplitude method, to study the quark mass dependence…