Phenomenological evidence for the energy dependence of the η-η' mixing angle
1999
Abstract A phenomenological analysis on various decay processes is performed using an energy-dependent η - η ′ mixing angle scheme. Special attention is given to the electromagnetic couplings between lowest-lying vector and pseudoscalar mesons. The agreement between our predictions and the experimental values is remarkable. This analysis opens a connection to two-angle fits in the η - η ′ sector.
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