Possibility of a Symmetric Weak Mixing and its Implications

JIN Chang-Hao

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1993, Vol. 17> Issue(8) : 710-713

Possibility of a Symmetric Weak Mixing and its Implications

JIN Chang-Hao ^,

Department of Physics,Northeast Normal University,Changchun 130024

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Abstract：
A general parametrization of the symmetric KM matrix is given.The unitarity triangle is discussed,which embodies the unitarity of the symmetric KM matrix and CP violation.It is shown that the symmetric KM matrix is consistent with the directly measured values of the KM matrix elements,CP violation parameter │ε│ of K-K system,and B0d-B0d mixing parameter χ_d,provided the t-quark mass is large,m_t≥160GeV.If │V₁₂│=│V₂₁│is confirmed by further experiments,KM matrix will turn out to be symmetric,so that a parameter is reduced in the standard model.

References

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M. kobayashi, T. Maskawa,Prog.Theor.Phys.，49(1973),652.[2]Particle Data Group. Phys. Lett.，5239(1990).1.[3]P. Kielanowski, Phys. Rev. Lett.，63(1989).2189.[4]D. W u , Phys. Rev.，D33(1986),860; C. Jarlskog, Phys. Rev. Lett.，55(1985), 1039; O. W. Greenberg,Phys. Rev.，D32(1985),1841.[5]A. Ali, in Linear Collider BB Factory Conceptual Design, proceedings of the Workshop, Los Angeles, Califor-nia, 1987, edited by D. H. Stork,(World Scientific, Singapore, 1987),110.[6]CLEO Collaboration, Phys. Rev. Lett. , 58(1987),183.[7]A. J. Buras, W. Slominski, H. Steger, Nuc1. Phys.，B245(1984)，369; J. Hagelin, Nucl. Phys.，B193(1981),123.[8]B. W. Lee, M. K. Gaillard, Phys. Rev,.D10(1974),897;T. Inami, C. S. Lim, Prog. Theor. Phys.，65(1981),297.

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JIN Chang-Hao. Possibility of a Symmetric Weak Mixing and its Implications[J]. Chinese Physics C, 1993, 17(8): 710-713.

JIN Chang-Hao. Possibility of a Symmetric Weak Mixing and its Implications[J]. Chinese Physics C, 1993, 17(8): 710-713. shu

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Received: 1900-01-01
Revised: 1900-01-01

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Possibility of a Symmetric Weak Mixing and its Implications

JIN Chang-Hao ^,

Corresponding author: JIN Chang-Hao,

Department of Physics,Northeast Normal University,Changchun 130024

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-08-05

Abstract: A general parametrization of the symmetric KM matrix is given.The unitarity triangle is discussed,which embodies the unitarity of the symmetric KM matrix and CP violation.It is shown that the symmetric KM matrix is consistent with the directly measured values of the KM matrix elements,CP violation parameter │ε│ of K-K system,and B0d-B0d mixing parameter χ_d,provided the t-quark mass is large,m_t≥160GeV.If │V₁₂│=│V₂₁│is confirmed by further experiments,KM matrix will turn out to be symmetric,so that a parameter is reduced in the standard model.