A new approach to the parametrization of the Cabibbo-Kobayashi-Maskawa matrix

Details A new approach to the parametrization of the Cabibbo-Kobayashi-Maskawa matrix A new approach to the parametrization of the Cabibbo-Kobayashi-Maskawa matrix

2000-02-04

arxiv.org/abs/hep-ph/0002059v1

Int.J.Mod.Phys.A16:1645,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, latex, no figures

Scientific paper

10.1142/S0217751X01003603

The CKM-matrix V is written as a linear combination of the unit matrix I and a matrix U which causes intergenerational-mixing. It is shown that such a V results from a class of quark-mass matrices. The matrix U has to be hermitian and unitary and therefore can depend at most on 4 real parameters. The available data on the CKM-matrix including CP-violation can be reproduced by $V=(I+iU)/\sqrt{2}$. This is also true for the special case when U depends on \textit{only 2 real parameters}. There is no CP-violating phase in this parametrization. Also, for such a V the invariant phase $\Phi \equiv \phi _{12}+\phi_{23}-\phi_{13}$, satisfies a criterion suggested for `maximal' CP-violation.

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