SUSY-Induced CP Violation in $t$ Decays at $e^-e^+$ Colliders

Details SUSY-Induced CP Violation in $t$ Decays at $e^-e^+$ Colliders SUSY-Induced CP Violation in $t$ Decays at $e^-e^+$ Colliders

1993-06-28

arxiv.org/abs/hep-ph/9306322v2

Phys.Lett.B316:137-147,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, corrected former postscript output mistakes

Scientific paper

10.1016/0370-2693(93)90669-9

CP violation in the decays $t \to \ell^+\nu b$ and $\bar t \to \ell^-\bar\nu \bar b$ from the production process $e^-e^+ \to \ttbar$ is discussed. Since the asymmetry proposed as a measure of CP violation vanishes even at the one-loop level in the Standard Model (SM), it may be a useful tool to search for sources of CP violation outside of the SM. As an illustration the asymmetry has been computed within supersymmetric extensions of the SM. Prospects for its measurement at future high-energy linear colliders are discussed.

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