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

par Ermolaev, Alexei
Référence Hyperfine interactions, 100, 1-4, page (41-54)
Publication Publié, 1996-09

Article révisé par les pairs

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Résumé :

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. © J.C. Baltzer AG, Science Publishers.