Top quark pair production via polarized and unpolarized photons in Supersymmetric QCD
Han Liang, Ma Wen-Gan, Yu Zeng-hui
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.
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