, Volume 69, Issue 3-4, pp 399-424

An evaluation of |V us | and precise tests of the Standard Model from world data on leptonic and semileptonic kaon decays

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Abstract

We present a global analysis of leptonic and semileptonic kaon decay data, including all recent results published by the BNL-E865, KLOE, KTeV, ISTRA+ and NA48 experiments. This analysis, in conjunction with precise lattice calculations of the hadronic matrix elements now available, leads to a very precise determination of |V us | and allows us to perform several stringent tests of the Standard Model.