Vector Dominance in Photoproduction
- 27 May 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 20 (22), 1261-1265
- https://doi.org/10.1103/physrevlett.20.1261
Abstract
It is shown that present data on photoproduction support the vector-dominance assumption for the hadron electromagnetic current, in direct tests which require almost no additional symmetry- or model-dependent assumptions. Agreement with predictions is obtained for both the angular distribution and the magnitude of the photoproduction cross section, over a wide energy range. New model-independent experimental tests of vector dominance in photoproduction are proposed.Keywords
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