A coupled-channels model for antinucleon-nucleon (N̄N) scattering is presented. The N̄N channels are coupled to effective two-particle annihilation channels. The neutron-proton mass difference and the Coulomb interaction are taken exactly into account. This model gives a detailed fit to a set of 977 N̄N scattering data up to Tlab=482 MeV, with an overall χ²data=1.39. The potentials are found to be long-ranged. A discussion of several experimental data sets and of the influence of the Coulomb interaction is given.
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Timmers et al. (1984) studied this question.
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