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Theoretical studies of antihydrogen formation in collisions between positronium atoms and antiprotons

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Abstract

The current state of the theoretical methods that are used in calculations of cross sections for the production of antihydrogen in collisions between antiprotons and positronium atoms is reviewed. A broad outline of available methods together with the results of recent computations are presented. The main emphasis is made on the general close-coupling approach that allows any reaction channel to be taken as the initial state of the collision system. In this way, and on account of charge-conjugation invariance, the formation of antihydrogen in collisions between antiprotons and positronium atoms becomes linked to positron-hydrogen scattering and the same computational methods can be applied to either reaction. The review gives references to recent papers on the subject.

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  1. Physique Théorique, Université Libre de Bruxelles, Campus Plaine, CP 227, Bd. du Triomphe, B-1050, Bruxelles, Belgique

    A. M. Ermolaev

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Ermolaev, A.M. Theoretical studies of antihydrogen formation in collisions between positronium atoms and antiprotons. Hyperfine Interact 100, 41–54 (1996). https://doi.org/10.1007/BF02059931

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