Key points are not available for this paper at this time.
Watanabe. v It should be noted, however, that some variants of their theory may be found which cannot be disproved by one negative experiment alone. Therefore, it is desirable that both of these experiments be performed. It seems to be rather difficult to invent a theory of the Tanikawa type which does not give a resonance in any of the processes v+p, v+n, e+p, and e+n, where v and e denote either particles or antiparticle s.
Y. Nambu (Fri,) studied this question.