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Antihydrogen in interaction with atoms and surfaces
Umeå University, Faculty of Science and Technology, Department of Physics.
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2005 (English)In: AIP Conference Proceedings vol. 770, 2005, 51-67 p.Conference paper (Refereed)
Abstract [en]

An overview of the antiatom interactions with matter is given in the context of the ongoing efforts to trap and cool antihydrogen at CERN. We show how the atom‐antiatom scattering can, in addition to annihilation, result in a number of collisional reactions such as elastic scattering, rearrangement to protonium and positronium, and even radiative association leading to formation of unusual short‐lived atom‐antiatom molecules. We also show that sufficiently cold antiatoms can be reflected from material walls. The rates for these reactions are of interest for the experiments with antihydrogen atoms at CERN, they probe the feasibility of collisional cooling of antihydrogen and they contribute to the understanding of stability of matter in contact with antimatter in general. © 2005 American Institute of Physics

Place, publisher, year, edition, pages
2005. 51-67 p.
, AIP Conference Proceedings, ISSN 0094-243X ; 770
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:umu:diva-19511DOI: 10.1063/1.1928841ISBN: 0735402558; 9780735402553OAI: diva2:201874
ATOMIC PHYSICS 19: XIX International Conference on Atomic Physics; ICAP 2004 Date: 25-30 July 2004 Location: Rio de Janeiro (Brazil)
Available from: 2009-03-05 Created: 2009-03-05 Last updated: 2012-05-22Bibliographically approved

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Jonsell, Svante
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Department of Physics
Atom and Molecular Physics and Optics

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