Recognition: unknown
The ratio Phi->K+K-/K0K0bar
classification
✦ hep-ph
hep-ex
keywords
k0k0barphi-ratioaccountaccuracyanomalyclarifycompared
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The ratio Phi->K+K-/K0K0bar is discussed and its present experimental value is compared with theoretical expectations. A difference larger than two standard deviations is observed. We critically examine a number of mechanisms that could account for this discrepancy, which remains unexplained. Measurements at DAPHNE at the level of the per mille accuracy can clarify whether there exist any anomaly.
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