On contributions to the pion-nucleus optical potential non-linear in nuclear density: The Ericson-Ericson Lorentz-Lorentz correction |
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| Authors: | A Klein J Rafelski |
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| Institution: | 1. Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania 19174, USA |
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| Abstract: | A well-defined set of higher order corrections to the lowest order pion-nucleus optical potential is examined within the framework of many-body theory for an infinite nuclear medium. The connection between the pion self-energy operators and multiple scattering formalisms is thereby indicated and a deriviation of the EELL effect given. |
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