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Strong enhancement of epsilon '/epsilon through final state interactions
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Strong enhancement of epsilon '/epsilon through final state interactions
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| Pallante, Elisabetta; Pich Zardoya, Antonio Perfil | |||
| This document is a artículoDate2000 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/42308 |
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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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Pallante, Elisabetta Pich Zardoya, Antonio 2000 Strong enhancement of epsilon '/epsilon through final state interactions Physical Review Letters 84 12 2568 2571 |
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| http://dx.doi.org/10.1103/PhysRevLett.84.2568 |
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