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ISSN - 03702693, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2010, vol. 690, p. 427-430

Spin-dependent part of p over(p, -) interaction cross section and Nijmegen potential

Dmitriev V. F., Milstein A. I., Salnikov S. G.

Low energy p over(p, ̄) interaction is considered taking into account the polarization of both particles. The corresponding cross sections are calculated using the Nijmegen nucleon-antinucleon optical potential. Then they are applied to the analysis of the polarization buildup which is due to the interaction of stored antiprotons with polarized protons of a hydrogen target. It is shown that, at realistic parameters of a storage ring and a target, the filtering mechanism may provide a noticeable polarization in a time comparable with the beam lifetime. © 2010 Elsevier B.V. All rights reserved.