Kobayashi-Maskawa matrix moduli, decay constants and form factors determination from experimental data

摘要

The aim of the paper is to propose another tool for phenomenological analysesof experimental data from superallowed nuclear and neutron $\beta$ decays, andfrom leptonic and semileptonic decays, that allows the finding of the mostprobable numerical form of the CKM matrix, as well as the determination ofdecay constants, $f_{P}$, and of various form factors $f_+(q^2)$, by usinganother implementation of unitarity constraints. In particular this approachallows the determination of semileptonic form factors that is illustrated onthe existing data from $D\rightarrow \pi l \nu$ and $D\rightarrow K l\nu$decays.