Fritzsch-Xing mass matrices, $V_{td}$ and CP Violating phase $\delta$
Abstract
Natural 4 zeros texture mass matrices recently proposed by Fritzsch and Xing have been investigated by including `non-leading'corrections in the context of latest data regarding m_t^{pole} and V_{CKM} matrix elements. Apart from accommodating m_t^{pole} in the range 175\pm15 GeV, |V_{cb}| and |V_{ub}/V_{cb}|=0.08\pm0.02, the analysis with maximal CP-violation predicts |V_{td}| = .005-.013. Further, the CP-violating phase angle \delta can be restricted to the ranges (i) 22^o -45^o and (ii) 95^o - 130^o, concretizing the ambiguity regarding phase of CKM matrix. Furthermore, we find that non-leading calculations are important when `Cabibbo triangle' is to be linked to unitarity triangle.
Keywords
Cite
@article{arxiv.hep-ph/9707445,
title = {Fritzsch-Xing mass matrices, $V_{td}$ and CP Violating phase $\delta$},
author = {P. S. Gill and Manmohan Gupta},
journal= {arXiv preprint arXiv:hep-ph/9707445},
year = {2009}
}
Comments
8 LaTeX pages with 1 figure (to be published in PRD as brief Report)