Polarization-independent CP-odd Observable in e^+e^- Chargino Production at One Loop

Osland, Per; Kalinowski, Jan; Rolbiecki, Krzysztof; Vereshagin, Alexander

Polarization-independent CP-odd Observable in e^+e^- Chargino Production at One Loop

Authors

Osland, Per

Kalinowski, Jan

Rolbiecki, Krzysztof

Vereshagin, Alexander

Description

We discuss CP violation in the process e^+e^- \to \tildeχ^+_i\tildeχ^-_j with unpolarized beams. When the scalars are heavy, the box-diagram results constitute a major part of the full result. However, there are situations when the vertex and self-energy corrections dominate over the box diagrams. We also comment on CP violation in the final chargino decay.
4 pages, Latex, 3 eps-figures included, Talk given at 2007 International Linear Collider Workshop (LCWS07 and ILC07), Hamburg, Germany, 30 May - 3 Jun 2007