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  • 1985-1989  (2)
  • 1985  (2)
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  • 1985-1989  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Ultrahigh resolution spectroscopy of C2−: The A 2Πu state characterized by deperturbation methods (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 82 (1985), S. 1723-1731 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Spectra of the C2− B 2Σu+–X 2Σg+ transition have been obtained using a merged laser-ion beam spectrometer with sub-Doppler resolution. Strong perturbations of the B state by the previously unobserved A 2Πu state are analyzed to obtain the characteristics of the new state. The A state spectroscopic constants in wave numbers (with estimated standard errors) are found to be Te=4060±180, ωe=1656±20, ωexe=10.80±0.50, Be=1.630±0.005, and A=−24±1. All nine perturbations observed in this work and the five observed in the work of Herzberg and Lagerqvist are explained by the interaction of the A 2Πu state with the B state. These results, as well as the perturbation matrix elements, are compared with theoretical estimates and results for isoelectronic 13-electron species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.448960
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Charge exchange of N2+2 with Ar (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 83 (1985), S. 5673-5676 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The charge exchange of N2+2 is distinguished from charge exchange of N+ in the measurement of the differential cross section. N2+2 charge exchanges with argon to produce predominantly Ar+ in its ground state and N+2 in its C 2Σ+u and D 2Π states. A vibrational progression is observed corresponding to the vibrational frequency in the C state. Also observed is the charge exchange of N+2(A 2Πu). A simple model is used to explain the data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.449641
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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