18 papers
The Non-perturbative term for the Axial-vector Form Factor of Pion Decay
Susumu Kinpara
The axial-vector form factor for the decay of pion is calculated by using the pseudovector coupling pion-nucleon interaction with the non-perturb…
The Non-perturbative term for the Vector Form Factor of Pion Decay
Susumu Kinpara
The vector form factor of the decay is calculated by the method for the pseudovector pion-nucleon system. The non-perturbative term is taken into…
The Non-perturbative term of the Pseudovector Interaction in the Pion-Nucleon System and the Pion Form Factor
Susumu Kinpara
The correction of the higher-order process for the photon-pion-pion vertex is calculated by the field theoretical method of the pion-nucleon system. The non-perturbative term of th…
The Coupling Constant of the Pseudovector Pion-nucleon Interaction for the Magnetic Moment of Nucleon
Susumu Kinpara
The role of the suppression of the coupling constant in the pseudovector pion-nucleon interaction is examined to account for the calculation of the magnetic moment of nucleon. Amon…
The Self-energy of Nucleon for the Pole term of the Axial-vector Current and the Neutron -decay
Susumu Kinpara
The effect of the pion propagator on the -decay of neutron is investigated to account for the ratio of the axial-vector to the vector part by including the pole term.…
The Self-energy of Nucleon for the Photoproduction of Pion in the Low-energy Region
Susumu Kinpara
The scattering amplitude of the photoproduction of is calculated using the helicity formalism. The pseudovector coupling -N interaction with the non-perturbative term is…
The Self-energy of Nucleon for the Pion-nucleon Scattering Parameter
Susumu Kinpara
The scattering amplitude of the pion-nucleon elastic scattering is calculated by the lowest-order approximation of the perturbative expansion with the non-perturbative term. The se…
The Self-energy of Nucleon for the Photon-proton Elastic Scattering and the Electromagnetic Polarizability
Susumu Kinpara
The effect of the self-energy on the photon-proton elastic scattering is investigated for the backward and the forward directions. The shape of the Thomson scattering at the photon…
The Non-perturbative Interaction of the Pseudovector Coupling for the Pion-nucleon Scattering
Susumu Kinpara
The effect of the non-perturbative term is investigated for the pion-nucleon scattering. Including the self-energy of nucleon the cross section of the elastic scattering results in…
The Self-energy of Nucleon in the Pseudovector Coupling Pion-nucleon System for the Electromagnetic Form Factor of Proton
Susumu Kinpara
The electromagnetic form factor of proton is studied following our previous calculation of the anomalous magnetic moment. The non-perturbative term is incorporated to correct the $…
The Self-energy of Nucleon for the Anomalous Magnetic Moment
Susumu Kinpara
The anomalous part of the magnetic moment of nucleon is studied. The electromagnetic vertex of nucleon is calculated using the pseudovector coupling pion-nucleon interaction. The s…
Relation between the Vertex Function and the Propagators in the Pseudovector Coupling Pion-Nucleon System
Susumu Kinpara
The procedure for deriving the Ward-Takahashi identity is applied to the pseudovector coupling pion-nucleon system in which the isovector and axial-vector current does not conserve…
Effect of the Constant Potential in the Bethe-Salpeter Equation for Proton-Neutron Elastic Scattering
Susumu Kinpara
Nucleon-nucleon potential is given in coordinate space starting from the Bethe-Salpeter equation appropriate to elastic scattering at the intermediate energy region. The next order…
Gamma Matrix Expansion of the Bethe-Salpeter Equation for Nucleon-Nucleon System
Susumu Kinpara
For the coefficients of the amplitude a set of simultaneous equations is derived in momentum space. By the auxiliary conditions they are equivalent to nonrelativistic equations and…
Calculation of Spin Observables for Proton-Neutron Elastic Scattering in the Bethe-Salpeter Equation
Susumu Kinpara
Bethe-Salpeter equation is applied to - elastic scattering. The spin observables are calculated by the M matrix similar to - case. The parameters of the meson-exchange…
Calculation of Spin Observables for Proton-Proton Elastic Scattering in the Bethe-Salpeter Equation
Susumu Kinpara
Bethe-Salpeter equation is applied to - elastic scattering. The observables of spin are calculated in the framework of the M matrix using the two-body interaction potential.…
Effects of the Inverse Square Potential on Nucleon-Nucleon Elastic Scattering in the Bethe-Salpeter Equation
Susumu Kinpara
Bethe-Salpeter equation is applied to nucleon-nucleon elastic scattering at the intermediate energy. The differential cross section and the polarization are calculated in terms of…
Asymptotic Approximation for Bethe-Salpeter Equation and its Applications to Deuteron
Susumu Kinpara
Bethe-Salpeter equation is solved for bound state composed of two fermions mediated by pion exchange force of the pseudovector coupling. Expanding the amplitude by gamma matrices t…