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  • 32.70.Cs  (1)
  • 35.10D  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Radiative lifetimes of levels of the configuration 4f 7 (8 S) 6s 6p in Eu I (1987)
    Springer
    The European physical journal 6 (1987), S. 31-34 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 32.70.Cs ; 32.70.Fw
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Radiative lifetimes of the 4f 7 (8 S) 6s 6p z 10 P 7/2, 9/2,z 8 P 5/2, 7/2, 9/2 andz 6 P 7/2, 5/2 levels of Eu I were measured by the time resolved recording of the exponential decay of the fluorescence. Three of them were measured for the first time, the others agree with previous determinations. From the values of the lifetimes absolute oscillator strengths are deduced, taking into account the branching ratios for the transitions to the 4f 7 6s 2 and 4f 7 5d 6s levels. From these absolutef values the radial integralI(6s 2, 6s 6p) was derived by a parametric analysis. Theoretical values of oscillator strengths which were calculated using this radial integral show good agreement with the experimental data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01436994
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Deterimation of tensor polarizabilities in the perturbed 4snd 1 D 2 Ca Rydberg series (1986)
    Springer
    The European physical journal 1 (1986), S. 145-150 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 32.60S ; 35.10D
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The tensor polarizabilities of the 4snd 1 D 2 Ca Rydberg states fromn=5 ton=19 have been measured using quantum beat spectroscopy at very low electric field strengths. The irregular behaviour of the polarizabilities is well reproduced by Coulomb approximation calculations. Using a quantum defect analysis, the strong variations of the tensor polarizabilities of themsnd 1 D 2 states of the alkaline earth atoms Ca, Sr, and Ba can be explained.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01436547
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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