A new method for a global fit of the CKM matrix

Details A new method for a global fit of the CKM matrix A new method for a global fit of the CKM matrix

2004-08-02

arxiv.org/abs/hep-ph/0408013v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex4, 5 pages, corrected a typos in formula (8), checked up numerical calculations

Scientific paper

We report on a new method to a global fit of the CKM matrix by using the necessary and sufficient condition the data have to satisfy in order to find a unitary matrix compatible with them. This condition writes as $-1\le \cos\phi\le 1$ where $\phi$ is the phase that accounts for CP violation. By using it we get that the experimental data are to a high degree compatible to unitarity and that $\phi$ takes values around $90^0$, in contrast to the previous determinations. Numerical results are provided for the CKM matrix entries, the mixing angles between generations and all the angles of the standard unitarity triangle.

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