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Nature of Symmetry Breaking—Results from a Systematic Test of the Soft-Meson Theorems
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 symmetry breaking proposed recently by Gell-Mann, Oakes, and Renner, and imply that, in the absence of symmetry breaking, the mass of the baryon octet would be approximately that of the physical nucleon.
Erratum
Nature of Symmetry Breaking — Results from a Systematic Test of the Soft-Meson Theorems
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