Symmetrized amplitudes of the helium-atom double photoionization

A. S. Kheifets; Igor Bray

doi:10.1103/PhysRevA.65.022708

Symmetrized amplitudes of the helium-atom double photoionization

A. S. Kheifets, Igor Bray

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Abstract

A series of convergent close-coupling (CCC) calculations of the symmetrized amplitudes of the helium atom double photoionization (DPI) were carried out at several fixed excess energies and varying energy ratios. Gaussian fits obtained directly from the theory were provided. Utility of the 4P Gaussian parametrization was illustrated in the case of 40 eV excess energy with E₁=35 eV and E₂=5 eV. The resulting data were analyzed in detail.

Original language	English
Article number	022708
Pages (from-to)	22708/1-22708/8
Journal	Physical Review A
Volume	65
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevA.65.022708
Publication status	Published - Feb 2002

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title = "Symmetrized amplitudes of the helium-atom double photoionization",

abstract = "A series of convergent close-coupling (CCC) calculations of the symmetrized amplitudes of the helium atom double photoionization (DPI) were carried out at several fixed excess energies and varying energy ratios. Gaussian fits obtained directly from the theory were provided. Utility of the 4P Gaussian parametrization was illustrated in the case of 40 eV excess energy with E1=35 eV and E2=5 eV. The resulting data were analyzed in detail.",

author = "Kheifets, {A. S.} and Igor Bray",

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AB - A series of convergent close-coupling (CCC) calculations of the symmetrized amplitudes of the helium atom double photoionization (DPI) were carried out at several fixed excess energies and varying energy ratios. Gaussian fits obtained directly from the theory were provided. Utility of the 4P Gaussian parametrization was illustrated in the case of 40 eV excess energy with E1=35 eV and E2=5 eV. The resulting data were analyzed in detail.

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Symmetrized amplitudes of the helium-atom double photoionization

Abstract

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