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  • 1990-1994  (3)
  • 32.30.J  (2)
  • 36.40+d  (1)
  • 32.30.Jc
  • 1
    Electronic Resource
    Electronic Resource
    Laser and radiofrequency spectroscopy of the 5d 4 6s 6 D multiplet in Ta I (1993)
    Springer
    The European physical journal 27 (1993), S. 155-158 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.F ; 32.30.B ; 32.30.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure (hfs) of181Ta has been investigated using laser radio-frequency double resonance and high resolution laser spectroscopy on collimated atomic beams. The magnetic dipole and electric quadrupole hyperfine structure coupling constants of the 5d 4 6 s 6D 3/2, 5/2, 7/2, 9/2 metastable states have been determined using radio-frequency spectroscopy. In the 5d 4 6s 6 D 1/2 metastable state and the excited 5d 3 6s 6p 4 D 3/2,6 D 5/2, 9/2 as well as the unidentified 28 182.6 cm−1 and 30 021.2 cm−1 states, hfs constants have been obtained from high resolution laser spectroscopy. A radio-frequency converter has been developed in order to reach the frequency region 2.7–10 GHz.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426763
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Laser and radio-frequency spectroscopy of the 5d 36s 2 4 P 3/2,5/2 states in Ta I (1992)
    Springer
    The European physical journal 23 (1992), S. 67-70 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.F ; 32.30.B ; 32.30.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure of the metastable atomic states 5d 36s 2 4 P 3/2 and4 P 5/2 in181Ta has been studied using high resolution laser spectroscopy and laser radio-frequency double-resonance methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436704
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Reactivity of small transition metal clusters (1993)
    Springer
    The European physical journal 26 (1993), S. 334-336 
    Details
    ISSN: 1434-6079
    Keywords: 36.40+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new experiment for measuring the reactivity of neutral metal clusters is presented. A low pressure reaction cell is used to measure the sticking ofO 2 andD 2 gas on small transition metal clusters ofCu, Fe, Co andNi. The experiment yields absolute values for the sticking, at a controlled number of cluster/gas collisions, facilitating comparison with theoretical calculations and other experiments. The most striking result of these preliminary measurements is the difference between oxygen sticking onCo N and onCu N , with the sticking onCu N showing a clear correlation to the electronic shell model, while the sticking onCo N only exhibits a sharp increase with size, reaching sticking probability=1.0 forN〉25.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429186
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    Paper (German National Licenses)
    Fulltext
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