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  • Electron-impact excitation of the (5d106s)2S1/2→(5d106p)2P1/2,3/2 resonance transitions in gold atoms

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    Accepted Manuscript (AM)
    Author(s)
    Maslov, M
    Brunger, MJ
    Teubner, PJO
    Zatsarinny, O
    Bartschat, K
    Fursa, D
    Bray, I
    McEachran, RP
    Griffith University Author(s)
    Bartschat, Klaus
    Year published
    2008
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    Abstract
    Results from a joint experimental and theoretical investigation of electron-impact excitation of the (5 d10 6s) S2 1/2 → (5 d10 6p) P2 1/2,3/2 resonance transitions in gold atoms are presented. The calculations were performed using three fully relativistic approaches, namely, a distorted-wave ansatz, a convergent close-coupling method, and a B -spline R -matrix method. The experimental data are independently normalized to the Bethe-Born formula using the currently preferred experimental values of the optical oscillator strengths. There is generally good agreement between the measured and predicted energy dependences of the ...
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    Results from a joint experimental and theoretical investigation of electron-impact excitation of the (5 d10 6s) S2 1/2 → (5 d10 6p) P2 1/2,3/2 resonance transitions in gold atoms are presented. The calculations were performed using three fully relativistic approaches, namely, a distorted-wave ansatz, a convergent close-coupling method, and a B -spline R -matrix method. The experimental data are independently normalized to the Bethe-Born formula using the currently preferred experimental values of the optical oscillator strengths. There is generally good agreement between the measured and predicted energy dependences of the integral cross section, provided that sufficient care is taken in the theoretical structure models to ensure that the proper optical oscillator strengths for the two transitions are obtained. A strong resonance feature seen only in the near-threshold excitation of the (5 d10 6p) P2 1/2 state is classified as a (5 d10 6 p2) D1 2 temporary state of the negative gold ion. © 2008 The American Physical Society.
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    Journal Title
    Physical Review A
    Volume
    77
    Issue
    6
    DOI
    https://doi.org/10.1103/PhysRevA.77.062711
    Copyright Statement
    © 2020 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Mathematical sciences
    Physical sciences
    Chemical sciences
    Science & Technology
    Optics
    Physics, Atomic, Molecular & Chemical
    Publication URI
    http://hdl.handle.net/10072/399181
    Collection
    • Journal articles

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