Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-24
Phys.Lett.B681:330-335,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
One reference added. Accepted for publication in Physics Letters B
Scientific paper
10.1016/j.physletb.2009.10.039
In the context of Fritzsch-like texture 4 zero Hermitian quark mass matrices, we have attempted to find an `exact' formula for sin2\beta wherein the dependence of \beta on the quark masses and the elements of the quark mass matrices is visible in a simple and clear manner. This has been achieved keeping in mind the strong hierarchy of the quark masses and assuming the weak hierarchy amongst the elements of the mass matrices. This `exact' formula represents a vast improvement over the leading order formula based on strong hierarchy of the elements of the mass matrices. Apart from showing the compatibility of texture 4 zero mass matrices with the present value of sin2\beta and other CKM parameters, we find interesting conclusions regarding the structural features of the mass matrices.
Ahuja Gulsheen
Gupta Manmohan
Verma Rohit
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