Resonant CP-Violating Scalar--Pseudoscalar Transitions at mu+ mu- Colliders

Details Resonant CP-Violating Scalar--Pseudoscalar Transitions at mu+ mu- Colliders Resonant CP-Violating Scalar--Pseudoscalar Transitions at mu+ mu- Colliders

1996-03-17

arxiv.org/abs/hep-ph/9603328v2

Phys.Rev.Lett. 77 (1996) 4996-4999

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX (2 figs included), title changed to underline the resonant CP-violating effect. Journ.-ref: Phys. Rev. Lett. 7

Scientific paper

10.1103/PhysRevLett.77.4996

A mu+ mu- collider is an appealing machine to probe resonant CP-violating transitions of a CP-even Higgs particle into the Z boson or into another CP-odd Higgs scalar. These phenomena are studied within a manifestly gauge-invariant approach implemented by the pinch technique. The CP invariance of an extended Higgs sector motivated by supersymmetric E_6 models is assumed to be broken radiatively by the presence of heavy Majorana fermions. CP violation originating from Higgs-Z mixing is found to be very modest, whereas CP-number violating transitions involving Higgs scalars only can be resonantly enhanced up to order of unity.

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