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$ε'/ε$: three years later

Marco Ciuchini
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Abstract

Three years after the completion of the next-to-leading order calculation, the status of the theoretical estimates of $ε'/ε$ is reviewed. In spite of the theoretical progress, the prediction of $ε'/ε$ is still affected by a 100% theoretical error. In this paper the different sources of uncertainty are critically analysed and an updated estimate of $ε'/ε$ is presented. Some theoretical implications of a value of $ε'/ε$ definitely larger than $10^{-3}$ are also discussed.

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Marco Ciuchini. 1997-01-13. $ε'/ε$: three years later. https://doi.org/10.1016/s0920-5632(97)00437-4

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