Status of BK from Lattice QCD
Abstract
A brief review of lattice calculations of the bag parameter BK relevant for understanding indirect CP violation in the neutral kaon sector is given. A status report on current state-of-the-art calculations is presented as well as a discussion of the value of BK exported to phenomenologists. This is a condensed and updated version of the review presented at the CKM Unitarity Triangle Workshop held at CERN during Feburary 13-16, 2002 (http://ckm-workshop.web.cern.ch/ckm-workshop/).
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