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Antiproton scattering off \(^3 He\) and \(^4 He\) nuclei at low and intermediate energies

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      Abstract

      Antiproton scattering off \(^3\He\) and \(^4\He\) targets is considered at beam energies below 300 MeV within the Glauber-Sitenko approach, utilizing the \(\bar N N\) amplitudes of the J\"ulich model as input. A good agreement with available data on differential \(\bar p ^4\He\) cross sections and on \(\bar p ^3\He\) and \(\pbar ^4\He\) reaction cross sections is obtained. Predictions for polarized total \(\bar p ^3\)He cross sections are presented, calculated within the single-scattering approximation and including Coulomb-nuclear interference effects. The kinetics of the polarization buildup is discussed.

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      Bound states and scattering in a System of three particles

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        Author and article information

        Journal
        20 July 2011
        1107.3906
        10.1103/PhysRevC.84.054011

        http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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        11 pages, 6 figures
        nucl-th nucl-ex

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