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  • 34.50.−s  (2)
  • 35.50. + d  (1)
Document type
Keywords
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  • 1
    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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  • 2
    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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  • 3
    Electronic Resource
    Electronic Resource
    Configuration interaction in the 6s n d 1 D 2 and 6s n s 1 S 0 states of Yb probed by lifetime measurements (1987)
    Springer
    The European physical journal 6 (1987), S. 275-278 
    Details
    ISSN: 1434-6079
    Keywords: 35.50. + d ; 32.70. Fw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Radiative lifetimes in the even parity 6s n d 1 D 2 (n=6−13) and 6s n s 1 S 0 (n=8−14) level series of neutral Yb have been measured. In contrast to a monotonicn*3 behaviour which is expected in the absence of configuration interaction a drastic decrease of the lifetime data was observed in the vicinity of multiply excited states. In addition, for certain levels a strong increase of the lifetime values has been found which may be ascribed to destructive interference due to configuration mixing which can also affect the branching ratios of the radiative decay of these levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436674
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    Paper (German National Licenses)
    Fulltext
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