Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-10-04
Phys.Rev. D61 (2000) 113013
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages RevTex, no figures. Minor corrections. Comment on SO(10) changed and one reference added
Scientific paper
10.1103/PhysRevD.61.113013
In the standard model, several forms of quark mass matrices which correspond to the choice of weak bases lead to the same left-handed mixings $V_L=V_{CKM}$, while the right-handed mixings $V_R$ are not observable quantities. Instead, in a left-right extension of the standard model, such forms are ansatze and give different right-handed mixings which are now observable quantities. We partially select the reliable forms of quark mass matrices by means of constraints on right-handed mixings in some left-right models, in particular on $V^R_{cb}$. Hermitian matrices are easily excluded.
Falcone Domenico
Tramontano Francesco
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