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  • 34.50.−s  (2)
  • 32.70.Fw  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Hyperfine structure of the resonance lines of53Cr and lifetimes of some excited states of the Cr I spectrum (1995)
    Springer
    The European physical journal 34 (1995), S. 87-90 
    Details
    ISSN: 1434-6079
    Keywords: 32.70.Fw ; 35.10.Fk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure of the53Cr resonance linesa 7 S 3 ↔z 7 P 2,3,4 has been investigated by means of laser saturation spectroscopy. By comparison of the experimental signal curves with theoretically computed spectra the hitherto unknown sign of the magnetic hyperfine coupling constant in thea 7 S 3 ground state of53Cr could be determined unambigiously to be negative. Further the signs of the hfs coupling constants in thez 7 P states — so far only evaluated by theoretical reasoning — could be confirmed. Additionally the lifetimes of the statesz 7 P,z 5 P,f 7 D,z 5 F,e 7 D 5 andy 5 P 3 in the Cr I spectrum have been determined from the fluorescence decay after pulsed laser excitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439381
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Collisional depolarization of excited114Cd 5s5p 3 P 1 atoms by collisions with molecular gases (1993)
    Springer
    The European physical journal 27 (1993), S. 307-312 
    Details
    ISSN: 1434-6079
    Keywords: 31.70.Hq ; 34.50.−s ; 82.20.Rp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Depolarization of excited114Cd 5s5p 3 P 1 atoms induced by collisions with various molecular gases (N2, H2, D2, CO, CO2, CH4, C2H6, C2H4) has been investigated using polarized fluorescence spectroscopy. After pulsed optical excitation of the Cd 53 P 1 level with appropriately polarized light the temporal behaviour of Zeeman quantum beats has been observed showing the influence of collisional destruction of orientation and alignment. By analyzing the signal curves at different molecular gas pressures the corresponding depolarization cross sections for114Cd atoms in the 53 P 1 state have been obtained. With regard to a test of a nuclear spin decoupling model for the collisions the cross sections were compared with previously measured hyperfine structure transfer cross sections of113Cd 5s5p 3 P 1 atoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437461
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Population transfer between the fine-structure levels 5s5p 3 P 1 and 5s5p 3 P 0 of114Cd atoms by collisions with molecular gases (1993)
    Springer
    The European physical journal 25 (1993), S. 107-111 
    Details
    ISSN: 1434-6079
    Keywords: 31.70.Hq ; 34.50.−s ; 82.20.Rp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Fine-structure mixing of excited114Cd 53 P J atoms induced by collisions with various molecular gases (N2, H2, D2, CO, CH4, C2H6) has been investigated by a combined method of absorption and fluorescence spectroscopy. After pulsed optical excitation of the Cd(53 P 1) level, the time dependence of the population densities has been measured simultaneously both for the 53 P 1 state and for the collisionally populated 53 P 0 state. By analyzing the signal curves at different molecular gas pressures cross sections for collisional transfer between the114Cd 53 P 1 and 53 P 0 levels as well as the quenching cross sections for the 53 P levels have been obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01450161
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    Paper (German National Licenses)
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