Generalized Ward-Takahashi Identities and Current Algebras. [Offprint].
1967·College Park, MD:
by RAMAN, K.; SUDARSHAN, E. C. G.
College Park, MD:: The Physical Review, 1967., 1967. Series: The Physical Review, Vol. 154, No. 5, pp. 1499-1508, 25 February 1967. Offprint. Original Wrappers. Very good. Affiliation: Physics Department, Syracuse University, Syracuse, New York. Abstract: Generalized Ward-Takahashi identities are written for current algebras generated by conserved and partially conserved currents. The application to meson-baryon scattering is discussed and expressions for the scattering lengths are derived. An approximation is obtained for the real part of the low-energy forward meson-nucleon scattering amplitude; this gives sum rules for the low-energy phase shifts. Some questions arising from off-mass-shell extrapolations are discussed.] (Inventory #: S13356)
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