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epsilon'/eps in the Standard Model

AuthorsScimemi, Ignazio; Pallante, Elisabetta; Pich, Antonio CSIC ORCID
Issue Date2001
PublisherInternational School for Advanced Studies
CitationPoS - Proceedings of Science (hep): (2001)
AbstractWe overview the detailed analysis of epsilon'/epsilon within the Standard Model, presented in ref. 1. When all sources of large logarithms are considered, both at short and long distances, it is possible to perform a reliable Standard Model estimate of epsilon'/epsilon. The strong S-wave rescattering of the final pions has an important impact on this observable. The Standard Model prediction is found to be Re(epsilon'/epsilon) =(1.7 +- 0.9)*10^{-3}, in good agreement with the most recent experimental measurements. A better estimate of the strange quark mass would reduce the uncertainty to about 30%.
Description10 páginas.-- Comunicación presentada en la International Europhysics Conference on High Energy Physics celebrada del 12 al 18 de julio de 2001 en Budapest (Hungria).
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