CP--odd Correlation in the Decay of Neutral Higgs Boson into $ZZ$, $W^{+}{W}^{-}$, or $t\bar{t}$

Abstract

We investigate the possibility of detecting CP--odd angular correlations in the various decay modes of the neutral Higgs boson including the modes of a $ZZ$ pair, a $W^{+}{W}^{-}$ pair, or a heavy quark pair. It is a natural way to probe the CP character of the Higgs boson once it is identified. Final state interactions (i.e. the absorptive decay amplitude) is not required in such correlations. As an illustrative example we take the fundamental source of the CP nonconservation to be in the Yukawa couplings of the Higgs boson to the heavy fermions. A similar correlation in the process $e^{+}{e}^{-}\to l^{+}{l}^{-}H$ is also proposed. Our analysis of these correlations will be useful for experiments in future colliders such as LEP II, SSC, LHC or NLC.

16 pages, plus 8 postscript graphs not posted before

References in corpus (3)

• CP Violation in the Decay of Neutral Higgs Boson into $t-\bar{t}$ or $W^{+}-W^{-}$
• CP Violation in $t\bar{t}$ Production at $e^{+}{e}^{-}$ Colliders
• Higgs-Boson Decay to Four Fermions Including a Single Top Quark Below $t\bar{t}$ Threshold

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