Low energy positron scattering from helium

J. P. Sullivan; C. Makochekanwa; A. Jones; P. Caradonna; S. J. Buckman

doi:10.1088/1742-6596/133/1/012004

Low energy positron scattering from helium

J. P. Sullivan, C. Makochekanwa, A. Jones, P. Caradonna, S. J. Buckman

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3 Citations (Scopus)

Abstract

Positron scattering from helium has been historically limited to experiments with energy resolution of 0.5 eV or worse. A new apparatus has been developed that allows the investigation of scattering processes with an energy resolution as good as 30 meV, allowing new experimental insight into positron helium interactions. High resolution measurements of low energy scattering from helium will be presented, with a particular emphasis on the development of benchmark cross sections, the investigation of threshold behaviour and the search for positron scattering resonances.

Original language	English
Article number	012004
Journal	Journal of Physics: Conference Series
Volume	133
DOIs	https://doi.org/10.1088/1742-6596/133/1/012004
Publication status	Published - 2008

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AU - Jones, A.

AU - Caradonna, P.

AU - Buckman, S. J.

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AB - Positron scattering from helium has been historically limited to experiments with energy resolution of 0.5 eV or worse. A new apparatus has been developed that allows the investigation of scattering processes with an energy resolution as good as 30 meV, allowing new experimental insight into positron helium interactions. High resolution measurements of low energy scattering from helium will be presented, with a particular emphasis on the development of benchmark cross sections, the investigation of threshold behaviour and the search for positron scattering resonances.

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Low energy positron scattering from helium

Abstract

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