Finite energy sum rules for the vector current: the strange quark mass
Markus Eidemuller, Matthias Jamin, Felix Schwab
Abstract
We determine the strange quark mass in the framework of finite energy sum rules from the vector current channel. The theoretical contributions are calculated in contour improved perturbation theory and a substantial difference to fixed order perturbation theory is found. In our phenomenological parametrisation we include recent experimental results from CMD-2.
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