CP Violation from Surface Terms in the Electroweak Theory without Fermions

Details CP Violation from Surface Terms in the Electroweak Theory without Fermions CP Violation from Surface Terms in the Electroweak Theory without Fermions

1998-02-09

arxiv.org/abs/hep-ph/9802281v2

Phys.Rev. D58 (1998) 057901

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, REVTEX, final version to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.58.057901

We consider the effect of adding a CP-odd, theta FFdual-term to the electroweak Lagrangian without fermions. This term affects neither the classical nor perturbatively quantum physics, but can be observed through non-perturbative quantum processes. We give an example of such a process by modifying the theory so that it supports Higgs-winding solitons and showing that the rates of decay of these solitons to specific final states are CP violating. We also discuss how the CP symmetry is restored when fermions are included.

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