Strong enhancement of epsilon '/epsilon through final state interactions
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Pallante, Elisabetta; Pich Zardoya, Antonio
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Aquest document és un/a article, creat/da en: 2000
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We quantify the important effect of strong final state interactions in the weak K --> 2 pi amplitudes, using the measured pi-pi phase shifts with J = 0 and I = 0.2. The final rescattering of the two pions provides a strong enhancement of the Delta I = 1/2 amplitude, which so far has been neglected in the theoretical predictions of epsilon'/epsilon. This correction increases the standard model prediction of epsilon'/epsilon to values in good agreement with the experimental measurements. |
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