Probes for the Constituents of the Electromagnetic Current and Anomalous Commutators
- 5 May 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (18), 975-977
- https://doi.org/10.1103/physrevlett.22.975
Abstract
It is shown that the Callan-Gross sum rules for electroproduction fail in perturbation theory. Nonperturbative lepton annihilation sum rules are derived. The inapplicability of perturbation theory is traced to the breakdown of the Johnson-Low-Bjorken high-energy theorem.Keywords
This publication has 3 references indexed in Scilit:
- High-Energy Electroproduction and the Constitution of the Electric CurrentPhysical Review Letters, 1969
- Applications of the ChiralAlgebra of Current DensitiesPhysical Review B, 1966
- Current Algebras in a Simple ModelProgress of Theoretical Physics Supplement, 1966