The value of B_K from the experimental data on CP-violation in K-mesons and up-to-date values of CKM matrix parameters

Abstract

The difference between induced by box diagram quantity \tilde εand experimentally measured value of εis determined and used to obtain the value of \tilde εwith high precision. Present day knowledge of CKM matrix elements (including B-factory data), allows us to obtain from the Standard Model expression for \tilde εthe value of parameter B_K: B_K = 0.89 \pm0.16. It turns out to be very close to the result of vacuum insertion, B_K = 1.

12 pages, 1 figure

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• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Delta I=1/2 and epsilon'/epsilon in Large-Nc QCD
• Difference of \tilde εand εin fitting the parameters of CKM matrix

Cited by in corpus (9)

• Correlations among new CP violating effects in Delta F = 2 observables
• Lattice QCD inputs to the CKM unitarity triangle analysis
• Possible Indications of New Physics in Bd-mixing and in sin(2 beta) Determinations
• Flavor Physics in the Randall-Sundrum Model: II. Tree-Level Weak-Interaction Processes
• On the consistency between the observed amount of CP violation in the K- and Bd-systems within minimal flavor violation
• Hints for the scale of new CP-violating physics from B-CP anomalies
• Flavour Theory: 2009
• A new look at the theory uncertainty of epsilon_K
• The Next Generation