NDLI: The effect of virtual positronium formation on positron-atom scattering

Content Provider	Scilit
Author	Gribakin, G. F. King, W. A.
Copyright Year	1994
Description	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics A new method is proposed to calculate the contribution of virtual Ps formation to elastic positron-atom scattering. The calculations were performed using the many-body perturbation theory approach. It is shown that for the scattering of positrons by hydrogen and helium atoms, the virtual Ps formation contribution is about 30% and 20% of the total correlation potential, respectively. Good agreement was obtained with the results of precise variational calculations and with experimental data.
Related Links	http://iopscience.iop.org/article/10.1088/0953-4075/27/12/021/pdf
Ending Page	2645
Page Count	7
Starting Page	2639
ISSN	09534075
e-ISSN	13616455
DOI	10.1088/0953-4075/27/12/021
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Issue Number	12
Volume Number	27
Language	English
Publisher	IOP Publishing
Publisher Date	1994-06-28
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics

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The effect of virtual positronium formation on positron-atom scattering