On one parametrization of Kobayashi-Maskawa matrix

Details On one parametrization of Kobayashi-Maskawa matrix On one parametrization of Kobayashi-Maskawa matrix

2009-12-04

arxiv.org/abs/0912.0811v1

Physics

General Physics

Submitted to Physical Review Letters; comments are welcomed

Scientific paper

An analysis of Wolfenstein parametrization for the Kobayashi-Maskawa matrix shows that it has a serious flaw: it depends on {\em three} independent parameters instead of {\em four} as it should be. Because this approximation is currently used in phenomenological analyzes from the quark sector, the reliability of almost all phenomenological results is called in question. Such an example is the latest PDG fit from \cite{CA}, p. 150. The parametrization cannot be fixed since even when it is brought to an exact form it has the same flaw and its use lead to many inconsistencies.

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