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Spin-dependent part of pbar{p} interaction cross section and Nijmegen potential

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arxiv 1004.4716 v1 pith:EDA7EAMK submitted 2010-04-27 hep-ph nucl-th

Spin-dependent part of pbar{p} interaction cross section and Nijmegen potential

classification hep-ph nucl-th
keywords interactionpolarizationcrossnijmegenpotentialtargetaccountanalysis
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Low energy $p\bar{p}$ 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.

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