A G-parity transformation is performed on the latest version of the Bonn N-N meson-exchange potential to derive the elastic part of the N-N{} interaction. No additional modification of the intermediate- and short-range domain is introduced. A phenomenological complex potential of Gaussian form is added to account for N-N{} annihilation. A good description of low- and intermediate-energy N-N{} data is achieved. The relevance of isobar degrees of freedom in the elastic N-N{} interaction is discussed.
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Hippchen et al. (1989) studied this question.
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