Institute for Theoretical Particle Physics (TTP)

TTP99-12 Axial Contributions at the Top Threshold

TTP99-12 Axial Contributions at the Top Threshold

TTP99-12 Axial Contributions at the Top Threshold

We calculate the contributions of the axial current to top quark pair production in e+ e- annihilation at threshold. The QCD dynamics is taken into account by solving the Lippmann-Schwinger equation for the P wave production using the QCD potential up to two loops. We demonstrate that the dependence of the total and differential cross section on the polarization of the e+ and e- beams allows for an independent extraction of the axial current induced cross section.

J.H. K\“uhn, T. Teubner
Eur. Phys. J. C9 221-228 1999
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