Fritzsch-Xing mass matrices, $V_{td}$ and CP Violating phase $δ$

Details Fritzsch-Xing mass matrices, $V_{td}$ and CP Violating phase $δ$ Fritzsch-Xing mass matrices, $V_{td}$ and CP Violating phase $δ$

1997-07-23

arxiv.org/abs/hep-ph/9707445v1

Phys.Rev. D56 (1997) 3143-3146

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 LaTeX pages with 1 figure (to be published in PRD as brief Report)

Scientific paper

10.1103/PhysRevD.56.3143

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.

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