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  • 1985-1989  (4)
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Year
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  • 1
    Electronic Resource
    Electronic Resource
    Influence of effective two- and three-particle interactions on atomic fine structure in mixed configurations (5d+6s) N (1986)
    Springer
    The European physical journal 1 (1986), S. 183-190 
    Details
    ISSN: 1434-6079
    Keywords: 31.10.Ji ; 31.50.+w
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The influence of all effective two- and three-particle interactions appearing in second order of perturbation theory was investigated for the 5d-shell atoms Hf, Ta, W, Re, and Os. The radial parts of the effective operators were treated as free parameters which were determined by a least squares fit of calculated energy levels to the observed ones. An appreciable reduction of the mean deviation was achieved in all spectra considered. A test of the eigenvectors of the effective Hamiltonian was performed by a comparison of calculatedg J values andg J values, which were measured with high precision by radiofrequency spectroscopy. The agreement found is typically better than a few parts in 104.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436553
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Test of advanced hyperfine structure theory by precision radio-frequency and laser spectroscopy in molybdenum (1988)
    Springer
    The European physical journal 10 (1988), S. 59-70 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.Fk ; 32.10.Hq ; 32.10.Tb ; 31.30.Gs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure splittings of 32 even parity states and of 26 odd partity states of molybdenum have been measured by atomic beam magnetic resonance and by laser induced fluorescence. The analysis of the hyperfine structure data of the even parity configurations (4d+5s)6 yields experimental evidence for second order hyperfine interactions. In addition, theg J factors of 19 fine structure levels have been determined in order to test the quality of intermediate coupling wave functions for the (4d+5s)6 configurations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01425581
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Parametric fits of the atomic fine structure of ZrI and MoI (1988)
    Springer
    The European physical journal 9 (1988), S. 125-127 
    Details
    ISSN: 1434-6079
    Keywords: 31.10.Ji ; 31.50.+w
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Least squares fits including effective two- and three-body interactions have been performed for the mixed configurations (4d+5s)4 in ZrI and (4d+5s)6 in MoI. A test of the eigenvectors in intermediate coupling derived from the fits has been accomplished by comparing calculatedg J values andg J values, which have been measured with high precision by atomic beam magnetic resonance. The agreement found is typically better than a few parts in 104 except for some strongly mixed high-lying states in Mo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01384262
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Isotope shift measurements in zirconium by Doppler-free laser polarization spectroscopy (1987)
    Springer
    The European physical journal 7 (1987), S. 129-132 
    Details
    ISSN: 1434-6079
    Keywords: 35.10. Fk ; 21.10. Ft
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Isotope shifts in 17 transitions of ZrI have been measured by Doppler-free laser polarization spectroscopy in a hollow cathode discharge. The results were combined with other known isotope shift data of ZrI and tested for consistency in a multidimensional King plot. By including values ofδ〈r 2〉 deduced from optical isotope shifts mass and field shifts were separated, and improved values ofδ〈r 2〉 could be determined from the King plot. The results for the isotope pairs A, A′ are as follows; 90, 92: 0.244(43) fm2; 92, 94: 0.176(20) fm2; 94, 96: 0.126(23) fm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01384577
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    Paper (German National Licenses)
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