Abstract
The existing data on pseudoscalar meson transition form factors are described by the sophisticated Unitary & Analytic model and are well elaborated for pseudoscalar mesons and 1/2+ octet baryons. Knowing the transition form factors, σtot(e+e−→Pγ) are specified and the contributions of e+e−→Pγ processes to the muon g−2 anomaly are evaluated with remarkably suppressed errors. Also the two-gamma decay widths of the π0, η and η′ pseudoscalar mesons are determined by an alternative method and compared with values given by the newest Review of Particle Physics.
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