Low-energy scattering of antihydrogen by helium and molecular hydrogen

Journal Article · Fri Aug 08 00:00:00 EDT 2008 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2977852· OSTI ID:21152353

Armour, E A. G.; Todd, A C; Liu, Y; Gregory, M R ^[1]; Jonsell, S ^[2]; Plummer, M ^[3]

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1. School of Mathematical Sciences, Nottingham University, Nottingham NG7 2RD (United Kingdom)
2. Department of Physics, University of Wales Swansea, Swansea SA2 8PP (United Kingdom)
3. CLRC Daresbury Laboratory, Warrington WA4 4AD (United Kingdom)

In this paper, we describe in detail calculations that we have carried out of cross sections for rearrangement processes in very low-energy helium+antihydrogen (H-bar) scattering that result in He{sup +}p-bar+Ps or Hep-bar+e{sup +} or {alpha}p-bar+Ps{sup -}. The interaction between the leptons is taken into account very accurately. Results are presented for all three processes. A description is also given of a preliminary calculation of elastic and antiproton annihilation cross sections for very low-energy H{sub 2}+H-bar scattering.

• OSTI ID: 21152353
• Journal Information: AIP Conference Proceedings, Vol. 1037, Issue 1; Conference: Workshop on cold antimatter plasmas and application to fundamental physics, Okinawa (Japan), 20-22 Feb 2008; Other Information: DOI: 10.1063/1.2977852; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ANNIHILATION
ANTIPROTONS
ATOM COLLISIONS
CROSS SECTIONS
ELASTIC SCATTERING
HADRONIC ATOMS
HELIUM
HELIUM IONS
HYDROGEN
MOLECULE COLLISIONS
POSITRONIUM
POSITRONS