paper

CP violation in chargino production and decay into sneutrino

arXiv:hep-ph/0406309 · doi:10.1016/j.physletb.2004.07.055

Abstract

We study CP odd asymmetries in chargino production E+ E- --> ~Chi(+-)(1) Chi(-+)(2) and the subsequent two-body decay of one chargino into a sneutrino. We show that in the Minimal Supersymmetric Standard Model with complex parameter μthe asymmetries can reach 30 %. We discuss the feasibility of measuring these asymmetries at a linear collider with \sqrt{s} = 800 GeV and longitudinally polarized beams.

10 pages, 3 figures

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