Contributions of $e^{+}{e}^{-}\to P(S)\gamma$ processes to muon $g-2$

Abstract

The present situation on a comparison of theoretical evaluation of the muon anomalous magnetic moment with experimental one is roughly reviewed. Then by means of a recently elaborated unitary and analytic model of the meson transition form factors the contributions of $e^{+}{e}^{-}\to P(S)\gamma$ processes to muon $g-2$ is estimated.

Comments: 12 pages, 9 figures. Contribution presented at Pisa SIGHAD03, Workshop on Hadronic Cross Section at Low Energy, October 8-10, 2003, Italy