One-boson-exchange potential based on a soft pion form factor

A new one-boson-exchange potential is presented in which the pion-nucleon form factor is taken to be much softer than usual. The fit to N-N phase shifts and deuteron properties is quantitatively as good as for recent potentials of more conventional form, such as a former version of the Bonn potential. As anticipated in earlier work the tensor combination of P-wave phase shifts, ${\mathrm{\ensuremath{\Delta}}}_{\mathit{T}}$, is somewhat reduced for the new potential in comparison with the original.

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