Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-01-28
Riv.Nuovo Cim.23N3:1,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
81 pages, 1 file (with 15 figures); v2: misprints corrected on pages 32 & 35
Scientific paper
A complete review of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements and of the experimental methods for their determination is presented. A critical analysis of the relevant experimental results, and in particular of the most recent ones, allows to improve the accuracies of all the matrix elements. A chi-square minimization with the three-family unitarity constraint on the CKM matrix is performed to test the current interpretation of the CP violating phenomena inside the Standard Model. A complete and unambiguous solution satisfying all the imposed constraints is found. As a by-product of the fit, the precision on the values of the matrix elements is further increased and it is possible to obtain estimates for the important CP violation observables $sin 2\beta$, $sin 2\alpha$ and $\gamma$. Finally, an independent estimation of the CKM elements based on a Bayesian approach is performed. This complementary method constitutes a check of the results obtained, providing also the probability functions of the CKM elements and of the related quantities.
Bargiotti M.
Bertin A.
Bruschi M.
Capponi M.
Castro S. de
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