Overall determination of the CKM matrix

Details Overall determination of the CKM matrix Overall determination of the CKM matrix

1999-11-09

arxiv.org/abs/hep-ph/9911280v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at Heavy Flavours 8, Southampton, UK, 1999

Scientific paper

We discuss the problem of theoretical uncertainties in the combination of observables related to the CKM matrix elements and propose a statistically sensible method for combining them. The overall fit is performed on present data, and constraints on the matrix elements are presented as well as on fB*sqrt(Bb). We then explore the implications of recent measurements and developments: jpsi-KS CP asymmetry, epsilon_prime/epsilon and B -> K pi branching fractions. Finally, we extract from the overall fit the Standard Model expectations for the rare kaon decays K -> pi nu anti-nu.

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