On A New Class of Models for Soft CP Violation

Details On A New Class of Models for Soft CP Violation On A New Class of Models for Soft CP Violation

1998-11-06

arxiv.org/abs/hep-ph/9811258v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented by Darwin Chang. Contribution to International Conference on High Energy Physics, 1998, Triumf

Scientific paper

We elaborate on a new class of models proposed recently by us and compare with another class proposed by Georgi and Glashow(GG). The models can be roughly classified as the righted-handed (or left-handed) models in our (or GG's) case. Both classes of models use softly broken CP symmetry to suppress tree level KM phase as well as the strong CP phase. The measured value of the CP-violating parameter $\epsilon$ are accounted for by employing a new heavy sector of scalars and vectorial fermions. The models can be milliweak or superweak in nature depending on the scale of the heavy sector. We review the phenomenology of the right-handed models and compare with the left-handed models.

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