$ε'/ε$ And Anomalous Gauge Boson Couplings

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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17 pages plus one figure (available from the author upon request), Revtex, OITS-541, UM-P-94/47

Scientific paper

10.1103/PhysRevD.51.6484

We study $\epsilon'/\epsilon$ in the Standard Model and $\epsilon'/\epsilon$ due to anomalous $WW\gamma$ and $WWZ$ interactions %using recent result on the top quark mass from CDF. as a function of the top quark mass. In the Standard Model, $\epsilon'/\epsilon$ is in the range $10^{-3} \sim 10^{-4}$ for the central value of top quark mass reported by CDF. The anomalous gauge couplings can have large contributions to the $CP$ violating $I=2$ amplitude in $K \rightarrow \pi\pi$. Within the allowed regions for the anomalous gauge couplings, $\epsilon'/\epsilon$ can be dramatically different from the standard model prediction.

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