References
J.E. Bowcock, W. N. Cottingham andP.H. Gn: in preparation.
See, for example,Pion-Nucleon Scattering, edited byG. Shaw andD. Y. Wong (New York, 1970), p. 20.
V. Singh:Phys. Rev.,129, 1889 (1963).
A. Martin:Nuovo Cimento,59A 131 (1969).
SeePion-Nucleon Scattering, edited byG. Shaw andD.Y. Wong (New York, 1970), p. 27.
J. E. Bowcock andP. H. NG.:Phys. Lett 31 B, 541 (1970);F. Steiner:Phys. Lett.,32 B, 294 (1970).
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Bowcock, J.E., Ng, P.H. The effect of phase-shift ambiguities on finite-energy sum rules. Lett. Nuovo Cimento 1, 49–52 (1971). https://doi.org/10.1007/BF02774059
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DOI: https://doi.org/10.1007/BF02774059