Quark-mass dependence in $\omega \to 3\pi$ decays

Maximilian Dax, Tobias Isken, Bastian Kubis

We study the quark-mass dependence of $\omega \to 3\pi$ decays, based on a dispersion-theoretical framework. We rely on the quark-mass-dependent scattering phase shift for the pion-pion $P$…