Abstract
Within the semiclassical approximation (WKB) we present an estimate of the cross section for spontaneous and induced positron emission during the formation of a supercritical atom in a heavy-ion collision. Energy and width of the electron levels are taken from an analytical WKB formula.
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We are thankful to the Munich Tandem Group who directed our interest to this field.
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Jakubaßa, D.H., Kleber, M. Semiclassical theory of positron emission in transient supercritical atoms. Z Physik A 277, 41–46 (1976). https://doi.org/10.1007/BF01547500
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DOI: https://doi.org/10.1007/BF01547500