The pion mass and decay constant at three loops in two-flavour chiral perturbation theory
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DOI: 10.1007/jhep11(2017)181
Abstract: A bstractA calculation of the pion mass and decay constant at NNNLO in two-flavour chiral perturbation theory is presented. The results are cross-checked by using both the exponential and square root parametrizations of the Goldstone… read more here.
Keywords: flavour chiral; decay constant; two flavour; mass ... See more keywords