Within the Standard Model, starting with the most general mass matrices we
have used the facility of making weak basis transformations and have imposed
the condition of `naturalness' to carry out their analysis within the texture
zero approach. Interestingly, our analysis reveals that a particular set of
texture 4 zero quark mass matrices can be considered to be a unique viable
option for the description of quark mixing data.Comment: 9 pages, 2 figure
The issue of texture specific mass matrices has been discussed by incorporating Weak Basis transformations and the concept of 'naturalness'. Interestingly, we find that starting from the most general mass matrices, one can arrive at texture four zero mass matrices which can fit both quark as well as lepton mixing data and are similar to the original Fritzsch ansatze.
The present work attempts to provide an overview of texture specific lepton
mass matrices. In particular, we summarize the findings of some recent analyses
carried out within non flavor basis, wherein a parallel texture structure for
the lepton and neutrino mass matrices is considered.Comment: 9 page
Implications of recently measured leptonic mixing angle θ 13 as well as the other two mixing angles have been examined for Fritzsch-like mass matrices with minimal texture for Dirac neutrinos. Interestingly, the existing data seems to rule out this texture specific case of Dirac neutrinos for normal, inverted hierarchy as well as degenerate scenario of masses.
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