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The Eikonal approach to calculation of the multiphoton exchange contributions to the total cross-sections of pi+ pi- atom interaction with ordinary atoms

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INSPIRE-HEP
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Abstract

The total cross sections of interaction of relativistic \pi^+\pi^- 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)

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