Abstract

The violation of charge conjugation (C) and parity (P) in kaon decays, first observed in Nobel-prize winning experiments at Brookhaven National Lab in 1964, is allowed by the Standard Model of particle physics. Predicting indirect CP violation in kaon decays requires the values for standard model parameters and the evaluation of a four-quark matrix element inside a kaon. Using lattice QCD with domain wall fermions and the current QCDOC computers, calculations are underway that will yield, among other results, the value for this matrix element, allowing more precise comparisons between theory and experiment for CP violation in kaon decays.

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