Unitarity Triangle Analysis in the Standard Model and Sensitivity to New Physics

Abstract

By using the most recent determinations of the several theoretical and experimental input parameters, we update the Unitarity Triangle analysis in the Standard Model and discuss the sensitivity to New Physics effects. We investigate the interest of measuring with a better precision the various physical quantities entering the Unitarity Triangle analysis and study in a model independent way whether, despite the undoubted success of the CKM mechanism in the Standard Model, the Unitarity Triangle analysis still allows the presence of New Physics.

Invited talk at the Workshop on the CKM Unitarity Triangle, IPPP Durham, April 2003 (eConf C0304052). 9 pages LaTeX, 15 eps figures. Misprint corrected and references added

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• The 2004 UTfit Collaboration Report on the Status of the Unitarity Triangle in the Standard Model
• Lifetime Differences and CP Violation Parameters of Neutral B Mesons at the Next-to-Leading Order in QCD
• The UTfit Collaboration Report on the Status of the Unitarity Triangle beyond the Standard Model I. Model-independent Analysis and Minimal Flavour Violation
• Upper Bounds on Rare K and B Decays from Minimal Flavour Violation
• Hadronic Matrix Elements for Kaons