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

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arxiv hep-ph/9306322 v2 pith:FXFORZCJ submitted 1993-06-28 hep-ph

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

classification hep-ph
keywords violationasymmetrycollidersdecaysdiscussedbeencomputedeven
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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