Resonance Saturation of Axial Charge Commutator and the πK Scattering Amplitude of the Veneziano Type
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概要
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Resonance saturation of axial charge commutator taken between states of the K meson is examined with the knowledge of the πK scattering amplitude of the Veneziano type. Contribution of the resonances of the leading trajectory is evaluated to be 60% or so of the value expected from the sum rule. On the other hand inclusion of all the resonances of the daughter trajectories makes it larger than the value. It is necessary to add the satellite terms to the πK scattering amplitude, otherwise the experimental value for the decay width of K^* meson should be changed to a smaller one.
- 理論物理学刊行会の論文
- 1969-09-25
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