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  • 35.10.F  (3)
  • 32.50  (2)
  • 35.10  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Measurement of the transition wavelengths of the lithium resonance lines (1994)
    Springer
    The European physical journal 29 (1994), S. 121-123 
    Details
    ISSN: 1434-6079
    Keywords: 35.10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using laser-atomic-beam spectroscopy and a highly precise lambdameter, we have determined the transition wavelengths of the lithium resonance lines to be:6Li D1: 6707.0704(5)Å,6Li D2: 6707.9195(5)Å;7Li D1: 6707.9241(5)Å,7Li D2: 6707.7723(5)Å at spectroscopic conditions (15 °C, 760 mm Hg).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437759
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  • 2
    Electronic Resource
    Electronic Resource
    Laserspectroscopic investigations of the lithium-D-lines in magnetic fields (1990)
    Springer
    The European physical journal 16 (1990), S. 41-47 
    Details
    ISSN: 1434-6079
    Keywords: 32.60 ; 35.10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Laser-atomic-beam investigations of the lithiumD 1- andD 2-line in magnetic fields were performed using cw-laser excitation and fluorescence detection. For both isotopes6Li and7Li, the hyperfine splittings of the ground level 22 S 1/2 and the upper level of theD 1-line, 22 P 1/2, as well as the isotopic shifts of theD 1- and theD 2-line were determined from the registrations without field. In magnetic fields, Zeeman- and Paschen-Back-effects of the lines were studied. Using the Zeeman pattern of theD 1-line for a calibration of the field strength, values for the hyperfine constantsA andB of the 22 P 3/2-level of7Li could be derived from the Zeeman pattern of theD 2-line.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01831564
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  • 3
    Electronic Resource
    Electronic Resource
    Hyperfine structure investigations of the tantalumI blend λ=6356.14 Å (1992)
    Springer
    The European physical journal 23 (1992), S. 151-153 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.F ; 32.50 ; 32.20.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The TaI line 6356.14 Å, up to now classified as the transition 5d 36s 2 a 4 P 5/2−5d 36s(a 5 F)6p z 4 F 7 2/0 , is a blend with a second transition, which is related to the additional levels 5d 4(b 3 G)6s a 4 G 9/2−39641.24 cm−1 J=7/2°. Using laser excitation with optogalvanic and laser-induced fluorescence detection, the hyperfine constants of the four levels involved and the distance of the center wavelengths of the two fine structure transitions could be determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436737
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  • 4
    Electronic Resource
    Electronic Resource
    Investigations of the sodium and lithium D-lines in strong magnetic fields (1992)
    Springer
    The European physical journal 25 (1992), S. 23-29 
    Details
    ISSN: 1434-6079
    Keywords: 32.60.V ; 32.50.F ; 35.10.F
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Experimental and theoretical investigations of the splitting of the hyperfine structure of the sodium and lithium-D-lines in magnetic fields between 0 and 1 T were performed. In this magnetic field region the fine structure levelsJ=1/2 andJ=3/2 of the excited term2 P begin to influence each other. In case of lithium crossings and anticrossings of hyperfine states stemming from different fine structure energy levelsJ=1/2 andJ=3/2 can be observed. The measurements were performed by laseratomic-beam spectroscopy in dependence on the applied external magnetic field strength. The experimental spectra were compared with computed spectra. Spectra were simulated by calculations using for the hyperfine hamiltonian two hyperfine constantsA andB in case of sodium and four hyperfine constantsa c ,a d ,a 0 andb in case of lithium. Values for this constants could be derived by fitting the theoretical splittings to the experimental ones. For the first time theg I — factor of sodium could be determined in a purely optical way.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437516
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  • 5
    Electronic Resource
    Electronic Resource
    Investigation of the hyperfine structure of TaI-lines (1993)
    Springer
    The European physical journal 27 (1993), S. 343-347 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.B ; 32.50 ; 32.20.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure of several spectral lines of the neutral tantalum atom was investigated by means of saturated optogalvanic laser spectroscopy. From the spectra, we have determined the magnetic hyperfine interaction constants A and the electric quadrupole interaction constants B of 14 levels with even parity and 23 levels of odd parity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437467
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  • 6
    Electronic Resource
    Electronic Resource
    Hyperfinestructure constants of the Eu-I level 4f 7 6s 6p z 6 P 7/2 (1991)
    Springer
    The European physical journal 21 (1991), S. 189-190 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.F ; 32.50.F ; 32.20.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfinestructure constantsA andB of the levelz 6 P 7/2 of the Eu I configuration 4f 7 6s6p and the IS (isotopic shift) of the line combining this level with the ground state were determined to be:151Eu:A=−6.109(30) MHzB=134.05(66) MHz153Eu:A=−2.993(18) MHzB=321.04(46) MHz IS (151Eu−153Eu)=−3616(1) MHz (λ=5765.20 Å) These values agree very well with those of other authors [1–6].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426370
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