The CKM matrix and CP Violation

Abstract

The status of CP violation and the CKM matrix is reviewed. Direct CP violation in B decay has been established and the measurement of sin(2beta) in ψK modes reached 5% accuracy. I discuss the implications of these, and of the possible deviations of the CP asymmetries in b->s modes from that in ψK. The first meaningful measurements of alpha and gamma are explained, together with their significance for constraining both the SM and new physics in B-Bbar mixing. I also discuss implications of recent developments in the theory of nonleptonic decays for B->pi K rates and CP asymmetries, and for the polarization in charmless B decays to two vector mesons.

Plenary talk at 32nd International Conference on High Energy Physics (ICHEP'04), August 16-22, 2004, Beijing, China. v2: Table 5 corrected, minor changes in some averages (updated to hfag, that include correlations between S and C). v3: Figure 8 fixed, minor final changes

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