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Implications of precision measurements on texture specific fermion mass matrices

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arxiv 0911.0742 v1 pith:HQG67XVN submitted 2009-11-04 hep-ph

Implications of precision measurements on texture specific fermion mass matrices

classification hep-ph
keywords massmatricestexturebeencaseimplicationsneutrinosquarks
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Implications of texture specific mass matrices have been investigated for both quarks and neutrinos. Interestingly, for the case of quarks Fritzsch-like texture 4 zero mass matrices have been found to be compatible with the present precisely known sin2\beta as well as other precise CKM matrix elements. In the case of leptonic mass matrices, for both Majorana and Dirac neutrinos we find that for texture 4, 5, 6 zero mass matrices the inverted hierarchy and degenerate scenarios of neutrino masses are ruled out by the present data.

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