Phenomenological High Precision Neutron-Proton Delta-Shell Potential

Feb, 2012
6 pages
Published in:
  • Phys.Lett.B 724 (2013) 138-143
  • Published: Jul 9, 2013
e-Print:

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Abstract: (Elsevier)
We provide a successful fit for proton–neutron scattering below pion production threshold up to LAB energies of 350 MeV. We use seven high-quality fits based on potentials with different forms as a measure of the systematic uncertainty. We represent the interaction as a sum of delta shells in configuration space below the 3 fm and a charge-dependent one-pion exchange potential above 3 fm together with magnetic effects. Special attention is payed to estimate the errors of the phenomenological interaction.
Note:
  • 5 pages, 2 figures. Comments and one figure with differential observables added
  • 03.65.Nk
  • 13.75.Cs
  • 21.45.+v
  • 11.10.Gh
  • 21.30.Fe
  • Potential scattering
  • Pn interaction
  • One pion exchange