Hadronic Matrix Elements for Kaons 1
نویسندگان
چکیده
We review some work done by us calculating matrix elements for Kaons. Emphasis is put on the matrix elements which are relevant to predict nonleptonic Kaon CP violating observables. In particular, we recall our results for the B̂K parameter which governs the K0 − K0 mixing and update our results for εK including estimated all-higher-order CHPT corrections and the new results from recent analytical calculations of the ∆I = 3/2 component. Some comments on future prospects on calculating matrix elements for Kaons are also added. September 2003 Work supported in part by NFR, Sweden, by MCYT, Spain (Grants No. FPA2000-1558 and HF2001-0116), by Junta de Andalućıa, (Grant No. FQM-101), and by the European Union RTN Contract No. HPRN-CT-2002-00311 (EURIDICE). Invited talk given by J.P. at “X International Conference on Quantum Chromodynamics (QCD ’03)”, 2-9 July 2003, Montpellier, France.
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