CKM matrix unitarity and a novel type of global fits

Details CKM matrix unitarity and a novel type of global fits CKM matrix unitarity and a novel type of global fits

2008-04-21

arxiv.org/abs/0804.3282v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages

Scientific paper

The aim of the paper is to propose one paradigm change of CKM global fits on experimental data from electroweak sector. The change refers to using in fits the exact unitarity constraints expressed in terms of four invariant parameters, such as moduli of the CKM matrix, and to take into account an important set of the available experimental data. In the paper we use data from nuclear beta decays, and from leptonic and semileptonic decays, in order to find the most probable numerical form of the CKM matrix, as well as the determination of decay constants, $f_{P}$, and of various form factors $f_+^{Pp}(0)$, directly from experimental results.

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