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Title: Absolute differential positronium-formation cross sections
Authors: Shipman, M
Armitage, S
Beale, J
Brawley, SJ
Fayer, SE
Garner, AJ
Leslie, D
Van Reeth, P
Laricchia, G
Keywords: Ground-state positronium;Integrated cross-sections
Issue Date: 2015
Citation: Physical Review Letters (2015), 115.
Abstract: The first absolute experimental determinations of the differential cross-sections for the formation of ground-state positronium are presented for He, Ar, H2 and CO2 near 0○. Results are compared with available theories. The ratio of the differential and integrated cross-sections for the targets exposes the higher propensity for forward-emission of positronium formed from He and H2.
Appears in Collections:Dept of Education Research Papers

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