The eikonal approach to calculation of the multiphoton exchange contributions to the total cross sections of π^+pi^- atom interaction with ordinary atoms
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The total cross sections of interaction of relativistic π^+π^- atom with ordinary atoms are obtained in the eikonal approach, which takes into consideration all multiphoton exchange processes. Contribution of these processes strongly depends on the atom nucleus charge Z and varies from 1.5% for Titanium (Z=22) to 14% for Tantalum (Z=73)
5 pages, LaTeX2e, 4 PostScript figure
5 pages, LaTeX2e, 4 PostScript figure