Symmetry Breaking in Axial-Vector Spectral-Function Sum Rules
- 4 March 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 20 (10), 513-515
- https://doi.org/10.1103/PhysRevLett.20.513
Abstract
Weinberg's first sum rule applied to the axial-vector currents is shown to split into two separately valid sum rules if the usual assumptions concerning SU(3) mixing are adopted. New relations among masses, coupling constants, and mixing angles are obtained in the meson-dominance approximation, e.g., , and the implications are discussed.
Keywords
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