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Final State Interactions in Kaon Decays Revisited

Masayuki Uehara
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Abstract

We examine effects of final state interactions (FSI) in kaon decays using a new scheme without the Omnes function, and show that while Delta I=1/2 rule is impossible to be explained in terms of FSI alone, $ε'/ε\sim 16.5\times 10^{-4}$ is obtained through FSI, if the calculation is concerned only with the CP-violating parts. The pi-pi contribution to the m_L-m_S mass difference is shown to be about 0.14, if the sizes of the CP conserving amplitudes A_0 and A_2 are correctly given.

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Masayuki Uehara. 2003-05-14. Final State Interactions in Kaon Decays Revisited. https://doi.org/10.1143/ptp.110.769

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