Kaon Spontaneous CP Violation Reevaluated

Details Kaon Spontaneous CP Violation Reevaluated Kaon Spontaneous CP Violation Reevaluated

1998-03-21

arxiv.org/abs/hep-ph/9803416v1

Phys.Rev. D59 (1999) 017901

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX 9 pages, 4 Figures

Scientific paper

10.1103/PhysRevD.59.017901

The CP parameters $\epsilon$ and $\epsilon'/\epsilon$ are calculated in the aspon model of spontaneous CP violation, a model which solves the strong CP problem. A new range for the scale of spontaneous breaking of CP is found. It is shown that $\epsilon'/\epsilon$ is suppressed by $\sim x^2 v^2/(\kappa^2 \sin^5 \theta_C) \sim 5 \times 10^{-3}$ relative to the Standard Model. If experiment finds that $\epsilon'/\epsilon$ is $10^{-4}$ or greater in magnitude, it will mean that the present approach to spontaneous CP violation is excluded.

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