Top quark pair production via polarized and unpolarized photons in Supersymmetric QCD

Abstract

QCD corrections to top quark pair production via fusion of both polarized and unpolarized photons are calculated in Supersymmetric Model. The corrections are found to be sizable. The dependence of the corrections on the masses of the supersymmetric particles is also investigated. Furthermore, we studied CP asymmetry effects arising from the complex couplings in the MSSM. The CP violating parameter can reach $10^{-2}$ for favorable parameter values.

26 pages, LaTex, including 12 figures in 12 eps files. submitted to Phys. Rev. D

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