Charge asymmetries in $\gamma \gamma \to {\mu }^{+}{\mu }^{-}+{\nu }_{\mu }{\bar{\nu }}_{\mu }$ / $\gamma \gamma \to W^{\pm }{\mu }^{\mp }+{\nu }_{\mu }$ with polarized photons

Abstract

It is shown that the difference in the distributions of positive (${\mu }^{+}$) and negative charged leptons (${\mu }^{-}$) in reactions $\gamma \gamma \to {\mu }^{+}{\mu }^{-}+\nu \bar{\nu }$ and $\gamma \gamma \to W^{\pm }{\mu }^{\mp }+\nu (\bar{\nu })$ at $\sqrt{s}>200$ GeV leads to observable {\em charge asymmetry} of muons which is sensitive to New Physics effects.

Comments: Talk presented by I. F. Ginzburg at Photon 2003: International Conference on the Structure and Interactions of the Photon and 15th International Workshop on Photon-Photon Collisions, Frascati, Italy, 7-11 Apr 2003