On the Renormalization of the Axial Vector β-Decay Coupling

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概要

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• The renormalization effect in β-decay, g_A/g_V=1.25, is calculated under the assumptions of the conservation of the vector current, the equality of the bare vector and the axial vector coupling constants. Based on the S-matrix theory, an approximate formula to calculate the ratio g_A/g_V is given, which needs only knowledge of experimental data on several partial wave amplitudes of N-N^^- scattering. The numerical calculation, however, is made by the use of N-N^^- scattering amplitudes calculated from π,ρ and ω meson exchange contributions. The result obtained is much the same as the one obtained from the perturbation calculation. In connection with this problem a possibility of the existence of an axial vector meson is discussed.

• 理論物理学刊行会の論文
• 1965-01-25

著者

• OI Yoshiko

  Department of Physics, University of Tokyo

• Oi Yoshiko

  Department Of Physics University Of Tokyo

関連論文

• Proton-Neutron Mass Difference
• On the Renormalization of the Axial Vector β-Decay Coupling

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