Evidence for a low-lying unrenormalized vacuum trajectory fromNNscattering
- 1 April 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 13 (7), 1940-1946
- https://doi.org/10.1103/physrevd.13.1940
Abstract
The apparently anomalous energy dependences of the and elastic polarizations at low energies are used to motivate the existence of a low-lying vacuum trajectory with intercept coupling more strongly to baryons than to mesons. The is identified with the medium-range attractive force in one-boson-exchange models at lower energies. We conjecture that the trajectory undergoes some nondiffractive renormalization at GeV/c in analogy with recent models of the Pomeron. The possible presence of other low-lying trajectories is briefly discussed.
Keywords
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