Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-11
PoS KAON2009:005,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 5 figures; talk given at the 2009 Kaon International Conference (KAON 2009), June 9 - 12, 2009, Tsukuba, Japan
Scientific paper
We discuss the theory prediction of epsilon_K and the rare K -> pi nu nu-bar decays and review the structure and current status of higher-order contributions to these flavour changing processes in the standard model in some detail. This includes the next-to-next-to-leading order QCD calculation to the charm quark contribution to K+ -> pi+ nu nu-bar and to the charm-top quark contribution to epsilon_K. Electroweak corrections to the rare kaon decays are also discussed.
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