Nature of su(3) x su(3) symmetry breaking - results from a systematic test of the soft-meson theorems
197014 pages
Published in:
- Phys.Rev.D 1 (1970) 151-164,
- Phys.Rev.D 3 (1971) 2923-2923 (erratum)
DOI:
- 10.1103/PhysRevD.1.151,
- 10.1103/physrevd.3.2923 (erratum)
Citations per year
Abstract: (APS)
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.- current algebra: effective lagrangians
- symmetry: broken
- symmetry: su(3) x su(3)
- meson baryon: scattering amplitude
- scattering amplitude: meson baryon
- charge: commutator
- threshold
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