Protonium formation in collisions of antiprotons with hydrogen atoms |
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Authors: | G V Avakov L D Blokhintsev E N Voronina |
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Institution: | (1) Institute of Nuclear Physics, Moscow State University, Vorob'evy gory, Moscow, 119899, Russia |
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Abstract: | The formation of an antiprotonic hydrogen atom $\{ p\bar p\} $ (protonium) in the ground state and in excited states (nlm) in collisions of 1-to 250-keV antiprotons with hydrogen atoms is considered theoretically. Partial cross sections (both differential and integrated ones) for this reaction are calculated for various values of n, l, and m up to n~100; cross sections summed over l and m are also obtained. Statistical (polarization) tensors of the orbital angular momentum of protonium atoms are evaluated. Corrections due to strong proton-antiproton interaction in the protonium ground (1s) state are analyzed. |
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