S-wave π-Nucleus Repulsion and Dirac Phenomenology
S. Chakravarti, B. K. Jennings
Abstract
A relativistic π-nucleon potential is extended to m* ≠ m to investigate the possibility of generating s-wave π-nucleus repulsion. We find that relativity does indeed generate significant repulsion, the exact amount depending on the details of the calculation. In contradistinction the tρ approximation gives very little repulsion.
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