Signals for CP-Violation in Scalar Tau Pair Production at Muon Colliders

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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9 pages, LaTeX with equations.sty, 3 PS figures (included)

Scientific paper

10.1103/PhysRevLett.81.5509

We discuss signals for CP-violation in $\mu^+ \mu^- \to \tilde \tau_i^- \tilde \tau_j^+$, where $i,j = 1,2$ label the two scalar $\tau$ mass eigenstates. We assume that these reactions can proceed through the production and decay of the heavy neutral Higgs bosons present in supersymmetric models. CP-violation in the Higgs sector can be probed through a rate asymmetry even with unpolarized beams, while the CP-odd phase associated with the $\tilde \tau$ mass matrix can be probed only if the polarization of at least one beam can be varied. These asymmetries might be ${\cal O}(1)$.

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