Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-05
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages in LaTeX, 4 encapsulated PostScript figures, to appear in the proceedings of the conference DSPIN-11, Dubna, Russia, S
Scientific paper
We discuss the polarization of top quarks produced at a polarized linear e^+ e^- collider. Close-to-maximal values of the top quark polarization can be achieved with longitudinal beam polarizations (h_- = -0.80, h_+ = +0.625) or (h_- = +0.80, h_+ = -0.625) at intermediate beam energies. The option (h_- = -0.80, h_+ = +0.625) has to be preferred since this choice is quite stable against variations of the beam polarization. All our quantitative results have been obtained at NLO QCD.
Groote Stefan
Körner Juergen G.
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