Intermediate Coupling Meson Theory of Nuclear Forces, II
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概要
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In the Part I of the same title a method has been proposed to construct the nuclear potent^:al by means of the intermediate coupling theory, where the charged scalar theory has been taken as an example. In this paper, the method is applied to the realistic case, symmetrical pseudo-scalar theory with pseudo-vector coupling, and the static nuclear potential is obtained up to the order of e^<-2x>, where x=μr. The results are found to depend on the cut-off procedure which is inevitably introduced to avoid the divergence troubles. A cut-off factor should be chosen so that effects of the so-called contact interaction do not extend onto the exterior region x≳1.0. We take a cut-off factor of gaussian type as a suitable one. Our potential does not essentially differ from the FST-potential and the BW-potential with cut-off. After the renormalization of the coupling constant, the potential of the order of e^<-x> coincides with the conventional second order perturbation potential in the exterior region, irrespectively of an assumed " structure" of the clothed nucleon. The potential of the ordor of e^<-2x>, however, depends essentially on the cut-off factor.
- 理論物理学刊行会の論文
著者
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HASEGAWA Hiroichi
Department of Physics, Kyoto University
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NOGAMI Yukihisa
Department of Physics, University of Osaka Prefecture
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Nogami Yukihisa
Department Of Phpsics University Of Osaka Prefecture
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Hasegawa Hiroichi
Department Of Physics And Chemistry Gakushuin University
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