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  • 35.10.Bg  (2)
  • 21.10.-k  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Isotope shifts of neutron-deficient gold isotopes with 193≧A≧190 (1985)
    Springer
    The European physical journal 321 (1985), S. 537-547 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.-k ; 27.80+w ; 31.30.Gs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The isotope shift between197Au (stable) and the radioactive Au isotopes190Au,191Au,192Au and193Au were determined by resonance fluorescence spectroscopy in the 6s 2 S 1/2–6p 2 P 1/2.λ=267.6nm line. The unstable Au isotopes were produced at the ISOLDE mass separator at CERN. The nuclei were investigated semi on-line in a resonance vessel, heated to 1,400°C. The results areδν 190,197=−11.12(39) GHz,δν 191,197=−9.67(12) GHz,δν 192,197=−8.32(15) GHz,δν 193,197=−6.29(11) GHz, corresponding to a change of the mean-square charge radius byδ〈r 2〉190,197 =0.261(12) fm2,δ〈r 2〉191,197=0.227(5) fm2,δ〈r 2〉192,197=0.195(5) fm2,δ〈r 2〉193,197 =0.148(4) fm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01432427
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Penning trap for studying cluster ions (1986)
    Springer
    The European physical journal 3 (1986), S. 189-194 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 +d ; 35.10.Bg ; 29.20. −c
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We propose to use a Penning trap for spectroscopy of stored cluster ions. A similar device has been built for the purpose of mass measurements of short-lived nuclei produced at the on-line isotope separator ISOLDE/CERN. A resolving power of 500,000 in a mass measurement of39K and an accuracy of 2 × 10−7 for the85Rb/39K mass ratio were obtained. An efficiency for in-flight capture as high as 70% was achieved. The method provides very high sensitivity since typically only 10 to 100 ions are stored in the trap. We intend to perform laser spectroscopy on trapped Na clusters as a first application of the trap technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01384806
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cluster isobars for high-precision mass spectrometry (1991)
    Springer
    The European physical journal 20 (1991), S. 441-443 
    Details
    ISSN: 1434-6079
    Keywords: 07.75. + h ; 35.10.Bg
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Doublet mass measurements of the isobars28Si3 and12C7 are performed by use of a Penning trap mass spectrometer and the Fourier transform ion cyclotron resonance (FT-ICR). The carbon and silicon cluster ions are produced by laser ablation. Results of these preliminary measurements are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01544032
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    Paper (German National Licenses)
    Fulltext
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