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  • American Institute of Physics (AIP)  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Autoionizing Rydberg states of Li2: Analysis of electronic–rotational interactions (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 89 (1988), S. 5460-5472 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Highly excited Rydberg states of 7Li2 have been measured by two-step excitation with two narrow band pulsed dye lasers in a collimated lithium beam. A complex many-line two-photon ionization spectrum has been observed which consists of sharp lines whose natural widths are smaller than the laser line width (0.03 cm−1). The spectrum has been analyzed with the help of multichannel quantum defect theory. Radial electronic dipole transition moments for the second excitation step were calculated and provided the key to the analysis. The spectra correspond to the excitation of s and d Rydberg series with n∼18–40. The series are affected by strong rotational l uncoupling as well as electronic s–d mixing. The analysis yields accurate values for the vibrational and rotational constants for the X 2Σ+g state of Li+2 and an improved value of the ionization potential of Li2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.455598
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  • 2
    Electronic Resource
    Electronic Resource
    Time dependent study of a multi-ionic xenon plasma (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 69-73 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The dynamics of a low pressure xenon discharge plasma was analyzed by using a collisional-radiative model. The calculations reproduce the main features of the temporal evolution of xenon spontaneous emission lines experimentally observed under the pulsed regime. The analysis includes transitions belonging to several xenon species (Xe I–Xe VIII). More than 100 measured lines were considered in this study. The pressure and discharge voltage dependence of the temporal emission distribution (time delay, shapes, and intensity maximum position), obtained from the calculation, are in agreement with the experimental results. The main excitation-deexcitation processes are discussed. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.369422
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