Abstract
The 2π exchange contribution to the nucleon-nucleon potential is calculated following the Mandelstam representation method of Cottingham and Vinh Mau. The \({\rm {N}} {\rm {\overline N}} \to {\rm {\pi \pi }}\) amplitude which is central to the calculation is obtained by analytic continuation of the low energy πN scattering amplitude which is constructed from nucleon and N* pole terms in a way consistent with the πN scattering data and soft pion theorems, ππ interactions are treated using the up-down solution for the S wave and ρ meson dominance for the P wave. The uncorrelated 2π contribution is obtained from the work of Partovi and Lomon.
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© 1972 Plenum Press, New York
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Epstein, G.N., McKellar, B.H.J. (1972). The Two-Pion Exchange Contribution to the Nucleon-Nucleon Potential. In: Austin, S.M., Crawley, G.M. (eds) The Two-Body Force in Nuclei. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8337-6_6
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DOI: https://doi.org/10.1007/978-1-4684-8337-6_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-8339-0
Online ISBN: 978-1-4684-8337-6
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