1. Brief accounts of the basic ideas developed in the present paper were reported elsewhere:Bull. Am. Phys. Soc.,4, 228 (1959);5, 238 (1960);6, 257 (1961);8, 44 (1963);9, 116 (1964);
2. Proc. Intern. Conf. on the Structure of the Nucleon (June 1963) edited byHofstadter andSchiff (Stanford, Cal.); p. 340.
3. E. J. Sternglass:Phys. Rev.,123, 391 (1961).
4. E. J. Sternglass:Proc. 1963Inter. Conf. on the Structure of the Nucleon; editors:R. Hofstadter andL. I. Schiff (Stanford, 1964).
5. M. H. Shwe: (Thesis, UCRL-10118, June 1962). The value determined experimentally was (2.0 −0.3 +0.5 )·10−16 s; see alsoH. Shwe, F. M. Smith andW. H. Barkas:Phys. Rev.,125, 1024 (1962), where the lifetime is given as (1.9 −0.8 +0.3 )·10−16 s.