On different mechanisms of the two-electron atomic photoionization

Anatoli Kheifets

doi:10.1088/0953-4075/34/8/102

On different mechanisms of the two-electron atomic photoionization

Anatoli Kheifets^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

We evaluate the partial contribution of different mechanisms leading to the single-photon two-electron atomic ionization processes: photoionization with excitation and double photoionization. We estimate the photon energy at which the shake-off mechanism becomes dominant over the two-step mechanism. We support our findings by scaling the photoionization cross sections of neutral atomic species with the electron scattering cross sections on the corresponding positive ions.

Original language	English
Pages (from-to)	L247-L252
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	34
Issue number	8
DOIs	https://doi.org/10.1088/0953-4075/34/8/102
Publication status	Published - 28 Apr 2001

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10.1088/0953-4075/34/8/102

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title = "On different mechanisms of the two-electron atomic photoionization",

abstract = "We evaluate the partial contribution of different mechanisms leading to the single-photon two-electron atomic ionization processes: photoionization with excitation and double photoionization. We estimate the photon energy at which the shake-off mechanism becomes dominant over the two-step mechanism. We support our findings by scaling the photoionization cross sections of neutral atomic species with the electron scattering cross sections on the corresponding positive ions.",

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On different mechanisms of the two-electron atomic photoionization

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