Dyson-Schwinger studies of meson masses and decay constants
Abstract
The masses and decay constants of the light mesons are studied within a ladder-rainbow truncation of the set of Dyson-Schwinger equations using a model 2-point gluon function. The one phenomenological parameter and two current quark masses are fitted to reproduce fπ, mπ and mK. Our results for fK, and for the vector mesons , φ, and K are in good agreement with the experimental values.
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