Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-01-26
Int.J.Mod.Phys.A9:1097-1114,1994; ERRATUM-ibid.A9:5849,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
28 pages(2 Figs not included), LaTeX, MZ-TH/92-56
Scientific paper
10.1142/S0217751X94000509
We study $CP$ violation in the process $e^+e^- \to t\bar{t} \nu\bar{\nu}$ at an $e^+e^-$-TeV collider. As the source of $CP$ violation we assume a two-Higgs doublet model with an explicitly $CP$-noninvariant Higgs potential. Sizeable $CP$-odd observables originating from the subprocess reaction, $W^+W^- \to t\bar{t}$, may arise as a result of finite width effects of the neutral Higgs particles. $CPT$ constraints due to final (initial) state interactions are also taken into account. Numerical estimates of the $CP$ asymmetry are given.
Nowakowski Marek
Pilaftsis Apostolos
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