An evaluation of |Vus| and precise tests of the Standard Model from world data on leptonic and semileptonic kaon decays arXiv:1005.2323 [hep-ph] (SPIRES link)
π π phase shifts from K -> 2π arXiv:0807.5128 [hep-ph] (SPIRES link)
Precision tests of the Standard Model with leptonic and semileptonic kaon decay arXiv:0801.1817 [hep-ph] (SPIRES link)