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Positron Binding to a Model Alkali Atom

Mitroy, J; Bromley, M; Ryzhikh, G


The fixed core stochastic variational method is used to investigate positron binding to a model alkali atom with a continuously adjustable ionization potential. Positron binding is possible for model atoms which have ionization potential (IP) ranging from 0.1767 to 0.479 Hartree (corresponding to dipole polarizabilities ranging from 209 to 23.5 a03). Results of the model indicate that positron binding is likely for gold, but not for potassium, rubidium or caesium. The annihilation rate was...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Journal of Physics B: Atomic, Molecular and Optical Physics
DOI: 10.1088/0953-4075/32/9/311


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