Near-threshold multielectronic effects in the Cu [Formula Presented] x-ray spectrum

S. Galambosi; H. Sutinen; A. Mattila; K. Hämäläinen; R. Sharon; C. C. Kao; M. Deutsch

doi:10.1103/PhysRevA.67.022510

Near-threshold multielectronic effects in the Cu [Formula Presented] x-ray spectrum

S. Galambosi
, H. Sutinen
, A. Mattila
, K. Hämäläinen
, R. Sharon
, C. C. Kao
, M. Deutsch

Department of Physics - at Bar-Ilan University

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

2 Scopus citations

Abstract

The variation with excitation energy of the line shapes of the Cu [Formula Presented] x-ray spectrum was measured with high energy resolution near the K-shell threshold. Fits with ab initio Dirac-Fock calculated spectra allow us to estimate separately the magnitudes and energy variations of the [Formula Presented] electron shakeup and shakeoff probabilities from threshold to saturation. The Thomas model is found to account well for the intensity evolution, in contrast with shakeoff from deeper shells. A suggested, yet unexplained, strong dependence of the shakeoff intensity saturation range on the shell number is confirmed.

Original language	English
Pages (from-to)	5
Number of pages	1
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	67
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevA.67.022510
State	Published - 2003

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10.1103/PhysRevA.67.022510

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title = "Near-threshold multielectronic effects in the Cu [Formula Presented] x-ray spectrum",

abstract = "The variation with excitation energy of the line shapes of the Cu [Formula Presented] x-ray spectrum was measured with high energy resolution near the K-shell threshold. Fits with ab initio Dirac-Fock calculated spectra allow us to estimate separately the magnitudes and energy variations of the [Formula Presented] electron shakeup and shakeoff probabilities from threshold to saturation. The Thomas model is found to account well for the intensity evolution, in contrast with shakeoff from deeper shells. A suggested, yet unexplained, strong dependence of the shakeoff intensity saturation range on the shell number is confirmed.",

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doi = "10.1103/PhysRevA.67.022510",

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AU - Galambosi, S.

AU - Sutinen, H.

AU - Mattila, A.

AU - Hämäläinen, K.

AU - Sharon, R.

AU - Kao, C. C.

AU - Deutsch, M.

PY - 2003

Y1 - 2003

N2 - The variation with excitation energy of the line shapes of the Cu [Formula Presented] x-ray spectrum was measured with high energy resolution near the K-shell threshold. Fits with ab initio Dirac-Fock calculated spectra allow us to estimate separately the magnitudes and energy variations of the [Formula Presented] electron shakeup and shakeoff probabilities from threshold to saturation. The Thomas model is found to account well for the intensity evolution, in contrast with shakeoff from deeper shells. A suggested, yet unexplained, strong dependence of the shakeoff intensity saturation range on the shell number is confirmed.

AB - The variation with excitation energy of the line shapes of the Cu [Formula Presented] x-ray spectrum was measured with high energy resolution near the K-shell threshold. Fits with ab initio Dirac-Fock calculated spectra allow us to estimate separately the magnitudes and energy variations of the [Formula Presented] electron shakeup and shakeoff probabilities from threshold to saturation. The Thomas model is found to account well for the intensity evolution, in contrast with shakeoff from deeper shells. A suggested, yet unexplained, strong dependence of the shakeoff intensity saturation range on the shell number is confirmed.

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 2

ER -

Near-threshold multielectronic effects in the Cu [Formula Presented] x-ray spectrum

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