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  • 1980-1984  (4)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Doppler-free two-photon laser spectroscopy of barium I: Hyperfine splitting and isotope shift of high lying levels (1980)
    Springer
    The European physical journal 295 (1980), S. 37-43 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Doppler-free two-photon absorption method performed with a narrowbandc w dye laser permitted high resolution measurements of transitions from the Ba I ground state 6s 2 1 S 0 to several highly excited states. The lifetimes and hyperfine splittings of these states as well as the isotope shifts of the transitions have been determined accurately. The lifetime values are in agreement with transition probability data; the hyperfine splitting results show considerable configuration interaction effects. A detailed discussion of the isotope shifts is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01414296
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Hyperfine structure measurements in metastable states of165Ho (1982)
    Springer
    The European physical journal 307 (1982), S. 193-200 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure constants and the electronic g J factor of the state 4f 11 6s 2 4 I 11/2 belonging to the holmium ground multiplet have been measured using the atomic beam magnetic resonance technique combined with a state-selective laser-induced detection of the resonant atoms. By the same method the g J factor of the level 4f 116s 24 I 9/2 was determined, while the hyperfine structures of this metastable state and of two high-lying even parity states have been investigated by high resolution laser spectroscopy. The results for the experimentalA andB factors of all four members of the ground multiplet allow a least-squares evaluation of the three magnetic dipole and the three electric quadrupole effective radial parameters for the configuration 4f 11 6s 2 of holmium, yielding an accurate value for the spectroscopic nuclear electric quadrupole moment:Q hfs(165Ho)=2.716(9)b (uncorrected for quadrupole shielding). From a comparison to the quadrupole moments measured in mesic holmium atoms the shielding factor could be estimated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438640
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    High resolution measurements of isotope shifts in lead (1982)
    Springer
    The European physical journal 305 (1982), S. 89-90 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report laser spectroscopic measurements of isotope shifts and hyperfine structure in ten stable and unstable lead isotopes, including two not previously measured.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415085
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Hyperfine structure and isotope shift of high-lying metastable states of rhenium (1982)
    Springer
    The European physical journal 307 (1982), S. 201-209 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Fourteen transitions in ReI, starting from high-lying metastable states belonging to the configurations (5d+6s)7, have been studied by laser-induced fluorescence in a collimated atomic beam, and accurate values for the isotope shifts in these transitions as well as for the hyperfine structure constants of 13 metastable and 9 excited states have been obtained. In addition, high precision measurements of the hyperfine structure of the states 5d 5 6s 2 4 D 7/2 and 5d 6 6s 6 D 1/2, 3/2, 5/2, 9/2 have been performed using the atomic beam magnetic resonance technique coupled with laser-induced state-selective detection of metastable atoms. The analysis of the hyperfine structure data yields experimental evidence for far configuration mixing effects on the off-diagonal spin-dipole matrix elements. The phenomenological interpretation of the isotope shifts shows the significance of off-diagonal field-shift effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438641
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    Paper (German National Licenses)
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