General Formulas for Cabibbo-Kobayashi-Maskawa Mixing Angles in Terms of Meson Masses : Particles and Fields

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概要

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• Assuming asymptotic SU(2)_L×U(1)_Y×Su(n)_<family> symmetry, general and rather elegant sum rules which predict the values of the Cabibbo-Kobayashi-Maskawa mixing angles for arbitrary family number n in terms of meson masses are obtained. For example, we derive tan^2θ_c≃[m^2(D^+)-m^2(D^0)-m^2(K^0)+m-2(K^+)/m^2(D_S)-m^2(D^0)-m^2(K^0)+m^2(π^+)],which yields a reasonable value of the Cabibbo angle θ_c │tanθ_c│=0.276±0.022. We can also predict Γ(b→u)/Γ(b→c), if the correct mass of B_c becomes available.

• 1989-01-25

著者

• KOIDE YOSHIO

  Department of Molecular Diagnostics, Tohoku University Graduate School of Medicine

• Koide Y

  Univ. Shizuoka Shizuoka

• ONEDA Sadao

  Center for Theoretical Physics, Department of Physics and Astronomy University of Maryland, Cllege P

• Oneda Sadao

  Center For Theoretical Physics Department Of Physics And Astronomy : University Of Maryland College

• Oneda Sadao

  Center For Theoretical Physics Department Of Physics And Astronomy University Of Maryland Cllege Par

• Koide Yoshio

  Department Of Applied Mathematics Faculty Of Engineering Science Osaka University

• KOIDE Yoshio

  Department of Physics, University of Shizuoka

• KOIDE Yoshio

  Department of physics,University of Shizuoka

• KOIDE Yoshio

  Laboratory of Physics, Shizuoka Women's University

• ONEDA Sadao

  Center for Theoretical Physics, Department of Physics and Astronomy University of Maryland, Cllege Park

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