Electron impact on K+: mechanisms for extreme ultraviolet submission

BERRINGTON, K. A., NAKAZAKI, S. and MURAKAMI, Y. (2006). Electron impact on K+: mechanisms for extreme ultraviolet submission. Journal of physics B: Atomic, molecular and optical physics, 39, 4733-4745.


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    A series of R-matrix calculations on K+ is used to derive electron excitation and ionization cross sections. The excitation cross section to the 4s and 3d levels leading to the K+ 60.1, 60.8 and 61.3nm emission lines shows poor agreement with the cross beam experiment of Zapesochny et al (1986, Zh. Eksp. Teor. Fiz. 90 1972 [Sov. Phys. JETP 63 1155]). Cross sections are also presented for exciting the 4p, 5s and 4d levels, the autoionizing 3s open-shell levels, and for ionization. It is shown how pseudoresonances in the calculated cross section can be eliminated by increasing the target basis.

    Item Type: Article
    Additional Information: © Institute of Physics and IOP Publishing Limited
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Modelling Research Centre > Materials Modelling group
    Identification Number: 1088/0953-4075/39/22/016
    Page Range: 4733-4745
    Depositing User: Ann Betterton
    Date Deposited: 22 Jun 2007
    Last Modified: 18 Mar 2021 14:04
    URI: https://shura.shu.ac.uk/id/eprint/868

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