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  • 35.10.Fk  (1)
  • PACS. 21.10.Ky Electromagnetic moments – 27.30.+t 20 ≤ A ≤ 38 – 76.60.-k Nuclear magnetic resonance and relaxation  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Measurement of the electric quadrupole moments of 26-29Na (2000)
    Springer
    The European physical journal 8 (2000), S. 31-40 
    Details
    ISSN: 1434-601X
    Keywords: PACS. 21.10.Ky Electromagnetic moments – 27.30.+t 20 ≤ A ≤ 38 – 76.60.-k Nuclear magnetic resonance and relaxation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The nuclear electric quadrupole moments of the isotopes 26Na, 27Na, 28Na and 29Na were measured by -NMR spectroscopy in single crystals of LiNbO3 and NaNO3. High degrees of nuclear polarization were produced by optical pumping of the sodium atoms in a fast beam with a collinear laser beam. The polarized nuclei were implanted into the crystals and NMR signals were observed in the -decay asymmetries. Preparatory measurements also yielded improved values for the magnetic moments of 27-31Na and confirmed the spin I=3/2 for 31Na. The results are discussed in comparison with large-basis shell model calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500070117
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Hyperfine structure constants of the CaII states 4s 2 S 1/2 and 4p 2 P 1/2, 3/2 and the nuclear quadrupole moment of43Ca (1991)
    Springer
    The European physical journal 18 (1991), S. 351-356 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.Fk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure splittings of the 4s 2 S 1/2 → 4p 2 P 1/2, 3/2 transitions in43CaII have been measured by fast ion beam collinear laser spectroscopy. The resonant laser interaction was observed using non-optical detection based on optical ground state depopulation pumping, state selective neutralization and charge state separated particle counting. The extracted magnetic dipole hyperfine structure constants for43CaA(2 S 1/2)=−805(2) MHz,A(2 P 1/2)=−145.5(1.0) MHz andA(2 P 3/2)=−31.9(0.2) MHz are in excellent agreement with relativistic many body perturbation theory predictions available for this alkali-like ion. The combined results are used to evaluate the semi-empirical analysis method. From the electrical quadrupole hyperfine structure constantB(2 P 3/2)=−6.7(1.4) MHz and the calculatedB/Q value for this one valence electron configuration, the nuclear quadrupole momentQ(43Ca)=−0.043(9)b is derived. This result supports a previous evaluation based on the hyperfine structure of the two valence electron3 P configurations of CaI.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426597
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    Paper (German National Licenses)
    Fulltext
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