Using the potentials derived from Ps(jv) meson theory of the second and fourth order, neutron-proton and proton-proton scattering at 40 Mev and 90 Mev in the laboratory system are examined. Calculation is performed by numerical integrations. The characteristic features of high energy nudeon-nudeon scattering are fairly well explained by our pseudoscalar meson potential.Using the potentials derived from Ps(jv) meson theory of the second and fourth order, neutron-proton and proton-proton scattering at 40 Mev and 90 Mev in the laboratory system are examined. Calculation is performed by numerical integrations. The characteristic features of high energy nudeon-nudeon scattering are fairly well explained by our pseudoscalar meson potential. Downloaded from iii) For~:i:he proton-proton scattering, the potential in the singlet even state is, near and outside it"5· range, very small. Therefore, the phase shift of ID-wave ,is also small and consequently the destructive interference does not break the isotropy of angular distribution so severely.The polarization PC 0, cp) appearing after pop scattering by this potential is calculated at 90 Mev, where cp is the azimuthal angle, the z-axis being parallel to the inc;iden~ '" held at
Low energy parameters in the singlet even state· are analysed from the point of view of the pion theory. It is shown that the properties which are required for the potential in the singlet even state are as follows: The one-pion-exchange potential in the outer region, a s~rong attractive force in the region from the pion range to one half of it, which is cons:s:ent with the prediction by the •wo-pionexchange potential, and a strong repulsion at small distances at least up to x=0.20. The value of the effective (oupling constant of the one-pion-exchange potential is limited as g8 2/4rr>0.07 by the present analysis. This result, together with that of the article I, gives an allowed region for the coupling constant as o.o7
Assuming the pion theoretical potential due to the exchange of one pion in the region outside the pion Compton wave length, the deuteron problem is analysed. Since the deuteron has a large radius on account of its small binding energy, the wave function is strongly affected by the outer part of the potential. This outer part , of the pion theoretical potential has the effective coupling constant g 6 2/4rc between the p-wave pion field and a nucleon as the only variable parameter. Thus we can determine the value of the coupling constant from the deuteron problem as 0.065 4 l had attacked the problem of nuclear forces dividing the configuration space of nucleons into two regions along the line t)
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