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    A new He- resonance in the excitation of the (2s2p)3P autoionising state by electrons


    van der Burgt, Peter J.M. and van Eck, J. and Heideman, H.G.M. (1985) A new He- resonance in the excitation of the (2s2p)3P autoionising state by electrons. Journal of Physics B: Atomic and Molecular Physics, 18 (6). L171-L174. ISSN 0022-3700

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    Abstract

    Four He- resonances with all three electrons in the n=2 shell are accessible by electron impact from the He ground state but only two resonances have been identified unambiguously in electron-helium scattering experiments. Experimental evidence for the presence of a He- resonance at 59.90 eV in the excitation cross section of the He**(2s2p)3P autoionising state is presented and discussed.

    Item Type: Article
    Keywords: He- resonance; excitation; (2s2p)3P autoionising state; electrons;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 9825
    Identification Number: https://doi.org/10.1088/0022-3700/18/6/005
    Depositing User: Dr Peter van der Burgt
    Date Deposited: 24 Aug 2018 11:39
    Journal or Publication Title: Journal of Physics B: Atomic and Molecular Physics
    Publisher: IOP Publishing
    Refereed: Yes
    URI:

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