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Nature of SU(3)×SU(3) Symmetry Breaking—Results from a Systematic Test of the Soft-Meson Theorems

Frank von Hippel*

Jae Kwan Kim

  • Department of Physics, Institute of Theoretical Physics, Stanford University, Stanford, California 94305

  • Department of Physics, Harvard University, Cambridge, Massachusetts 02138

  • *Alfred P. Sloan Foundation Fellow. Address 1969-70: Theory Group, Lawrence Radiation Laboratory, University of California, Berkeley, Calif.

Phys. Rev. D 1, 151 – Published 1 January, 1970Erratum Phys. Rev. D 3, 2923 (1971)

DOI: https://doi.org/10.1103/PhysRevD.1.151

Abstract

We make a systematic test of soft-meson-theorem predictions for both elastic and inelastic pseudoscalar-meson-baryon threshold scattering amplitudes. The predictions are obtained by using an extrapolation procedure developed by Fubini and Furlan and by ourselves. Our results give considerable support to a theory of SU(3)×SU(3) symmetry breaking proposed recently by Gell-Mann, Oakes, and Renner, and imply that, in the absence of symmetry breaking, the mass of the Jp=12+ baryon octet would be approximately that of the physical nucleon.

Erratum

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