Double photoionization near threshold

Double photoionization near threshold

The photon energy region near the double-ionization threshold is characterized by the simultaneous – not sequential – emission of the two electrons. By comparing the photon-energy dependence of our measured double-to-single photoionization ratios for lithium and beryllium to the ratios for helium, s...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 241; no. 1-4; pp. 114 - 117
Main Authors: Bluett, J.B., Lukic, D., Whitfield, S.B., Wehlitz, R.
Format: Journal Article
Language:English
Published: Elsevier B.V 01-12-2005
Subjects:
Double photoionization
Scaling law
Scaling law
32.80.Fb
Double photoionization
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Summary:The photon energy region near the double-ionization threshold is characterized by the simultaneous – not sequential – emission of the two electrons. By comparing the photon-energy dependence of our measured double-to-single photoionization ratios for lithium and beryllium to the ratios for helium, sodium, and molecular hydrogen, we have found a simple scaling law, which allows us to predict the double-to-single photoionization ratios for other elements.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2005.07.015