Vector Currents and Spectral-Function Sum Rules
- 2 October 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 19 (14), 803-805
- https://doi.org/10.1103/physrevlett.19.803
Abstract
It is argued, on experimental grounds, that Weinberg's second sum rule must be abandoned for vector-current spectral functions as long as the vector-meson dominance approximation is qualitatively valid.Keywords
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