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  • 34.80.Dp  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Laser-assisted electron-impact excitation of hydrogen and helium atoms (1986)
    Springer
    The European physical journal 1 (1986), S. 385-390 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.Dp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The excitation of H(1s–2s) and He(11 S–21 S) by electron impact in the presence of a nonresonant laser field is studied in the framework of the perturbation theory. The wavelength variation of the total cross section is presented at incident electron energies of 100 eV and 200 eV for hydrogen and 200 eV for helium. The use of pseudostates as intermediate states in the study of excitation of hydrogen is also investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01431181
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Spin-resolved orientation, depolarization and left-right asymmetry in electron-lithium scattering (1994)
    Springer
    The European physical journal 30 (1994), S. 135-140 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.Nz ; 34.80.Dp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A two-potential localised exchange (TPLE) approach is used to study the role of spin dependence in the inelastic scattering of electrons by lithium atoms at intermediate energies. Results are presented for the spin-resolved orientation parameters (L ⊥ S ,L ⊥ T , andL ⊥) in the polarized-electron impact resonant (2s–2p) excitation of polarized-lithium atom. Results are also obtained for the depolarization (P′ e /P e) in the polarized-electron impact resonant (2s–2p) and nonresonant (2s–3p) transition in unpolarized lithium atom. Further in the case when the fine structure splitting of the target is resolved, we also investigate the left-right scattering asymmetryS A (1/2) for the polarized-electron superelastically scattered from unpolarized 2p 1/2 and 3p 1/2 states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426061
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    Paper (German National Licenses)
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