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Positronium and antihydrogen formation in thee+-H and Ps-p¯ systems

Mitroy, J. and Stelbovics, A.T. (1994) Positronium and antihydrogen formation in thee+-H and Ps-p¯ systems. Physical Review Letters, 72 (22). pp. 3495-3497.

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The close coupling equations for the e+-H and Ps-p̄ systems are solved for a model calculation comprising three hydrogen H(1s, 2s, 2p) and three positronium Ps(1s, 2s, Ps(1s), Ps(2s), and Ps(2p) states for e++H→Ps+p reaction achieves a peak of 2.7πa02 and is smaller than the only existing set of experimental data. The cross section for antihydrogen formation in the Ps+p̄→e+H̄ reaction reaches a maximum of (13-14)πa02 for incident antiproton energies between 6.5 and 11 keV.

Item Type: Journal Article
Murdoch Affiliation: School of Mathematical and Physical Sciences
Centre for Atomic, Molecular and Surface Physics
Publisher: American Physical Society
Copyright: © 1994 The American Physical Society.
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