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Matrix Pade Approximants and the Bethe-Salpeter Equation of the N N Interaction

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DOI: 10.1103/PhysRevD.13.1140
OAI: oai:inspirehep.net:113516
Source
INSPIRE-HEP
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Abstract

We discuss the problem of which diagrams should be taken for the matrix Padé analysis and for the Bethe-Salpeter equation. We relate the "potential" of the Bethe-Salpeter equation with bare intermediate nucleons to the "potential" of the Bethe-Salpeter equation with dressed intermediate nucleons. We discuss the origin of the differences in recent calculations of the nucleon-nucleon phase shifts based on matrix Padé approximants.

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