Scandium 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>K</mml:mi><mml:mi>α</mml:mi></mml:mrow></mml:math>
 and 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>K</mml:mi><mml:mi>β</mml:mi></mml:mrow></mml:math>
 x-ray spectra with 
<i>ab initio</i>
 satellite intensities and energy eigenvalues

Dean, J. W.; Melia, H. A.; Nguyen, T. V. B.; Chantler, C. T.

doi:10.1103/physreva.109.022809

Phys. Rev. A

2024

DOI: 10.1103/physreva.109.022809

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Scandium Kα and Kβ x-ray spectra with ab initio satellite intensities and energy eigenvalues

J. W. Dean,

H. A. Melia,

T. V. B. Nguyen

et al.

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Cited by 2 publications

References 86 publications

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Investigation of Al Kα satellite lines through a high-efficiency multi-channel FSSR

Zhou,

Cheng,

et al. 2024

J. Anal. At. Spectrom.

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Investigation of Al Kα satellite lines through a high-efficiency multi-channel FSSR

Zhou,

Cheng,

et al. 2024

J. Anal. At. Spectrom.

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High-accuracy measurement, advanced theory and analysis of the evolution of satellite transitions in manganese Kα using XR-HERFD

Sier,

Dean,

Tran

et al. 2024

IUCrJ

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Here, the novel technique of extended-range high-energy-resolution fluorescence detection (XR-HERFD) has successfully observed the n = 2 satellite in manganese to a high accuracy. The significance of the satellite signature presented is many hundreds of standard errors and well beyond typical discovery levels of three to six standard errors. This satellite is a sensitive indicator for all manganese-containing materials in condensed matter. The uncertainty in the measurements has been defined, which clearly observes multiple peaks and structure indicative of complex physical quantum-mechanical processes. Theoretical calculations of energy eigenvalues, shake-off probability and Auger rates are also presented, which explain the origin of the satellite from physical n = 2 shake-off processes. The evolution in the intensity of this satellite is measured relative to the full Kα spectrum of manganese to investigate satellite structure, and therefore many-body processes, as a function of incident energy. Results demonstrate that the many-body reduction factor S 0 2 should not be modelled with a constant value as is currently done. This work makes a significant contribution to the challenge of understanding many-body processes and interpreting HERFD or resonant inelastic X-ray scattering spectra in a quantitative manner.

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Scandium Kα and Kβ x-ray spectra with ab initio satellite intensities and energy eigenvalues

Cited by 2 publications

References 86 publications

Investigation of Al Kα satellite lines through a high-efficiency multi-channel FSSR

Investigation of Al Kα satellite lines through a high-efficiency multi-channel FSSR

High-accuracy measurement, advanced theory and analysis of the evolution of satellite transitions in manganese Kα using XR-HERFD

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