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  • 11
    Digitale Medien
    Digitale Medien
    Hyperfine structure of nine levels in two configurations of93Nb (1975)
    Springer
    The European physical journal 275 (1975), S. 193-196 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The hyperfine structure of the two multiplets 4d 45s 6 D and 4d 35s 2 4 F of93Nb has been studied by the atomic-beam magnetic-resonance method. After applying corrections due to effects of off-diagonal hyperfine and Zeeman interactions the hyperfine interaction constantsA andB and the electrong factors gJ are determined for all nine levels of the two multiplets.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01409283
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  • 12
    Digitale Medien
    Digitale Medien
    Doppler-free two-photon laser spectroscopy of barium I: Hyperfine splitting and isotope shift of high lying levels (1980)
    Springer
    The European physical journal 295 (1980), S. 37-43 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The Doppler-free two-photon absorption method performed with a narrowbandc w dye laser permitted high resolution measurements of transitions from the Ba I ground state 6s 2 1 S 0 to several highly excited states. The lifetimes and hyperfine splittings of these states as well as the isotope shifts of the transitions have been determined accurately. The lifetime values are in agreement with transition probability data; the hyperfine splitting results show considerable configuration interaction effects. A detailed discussion of the isotope shifts is given.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01414296
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  • 13
    Digitale Medien
    Digitale Medien
    Hyperfine structure and isotope shift of high-lying metastable states of rhenium (1982)
    Springer
    The European physical journal 307 (1982), S. 201-209 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Fourteen transitions in ReI, starting from high-lying metastable states belonging to the configurations (5d+6s)7, have been studied by laser-induced fluorescence in a collimated atomic beam, and accurate values for the isotope shifts in these transitions as well as for the hyperfine structure constants of 13 metastable and 9 excited states have been obtained. In addition, high precision measurements of the hyperfine structure of the states 5d 5 6s 2 4 D 7/2 and 5d 6 6s 6 D 1/2, 3/2, 5/2, 9/2 have been performed using the atomic beam magnetic resonance technique coupled with laser-induced state-selective detection of metastable atoms. The analysis of the hyperfine structure data yields experimental evidence for far configuration mixing effects on the off-diagonal spin-dipole matrix elements. The phenomenological interpretation of the isotope shifts shows the significance of off-diagonal field-shift effects.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01438641
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  • 14
    Digitale Medien
    Digitale Medien
    Hyperfine structure investigations in the4F9/2 atomic ground state of191Ir and193Ir (1973)
    Springer
    The European physical journal 263 (1973), S. 341-346 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The5d 76s2 4F9/2 atomic ground state of191Ir and193Ir has been studied using the atomic-beam magnetic-resonance method. The results are:193Ir:g J(4F9/2)=1.29694 (3)191Ir:Δv(4F9/2; F=6↔F=5)=659.26496 (12) MHzΔv( 4F9/2; F=5↔F=4)=189.44002 (09) MHzΔv( 4F9/2; F=3↔F=4)=84.05040 (80) MHzA=57.52148 (04) MHzB=471.20425 (57) MHzC=−0.020 (30) kHz193Ir:Δv( 4F9/2; F=6↔F=5)=660.09043 (12) MHzΔv( 4F9/2; F=5↔F=4)=224.47848 (13) MHzΔv( 4F9/2; F=↔F=4)=33.53453 (89) MHzA=62.65556 (05) MHzB=426.23546 (64) MHzC=0.020 (30) kHz Using the magnetic dipole moments known by NMR-technique [1] we obtained for the electric quadrupole moments as calculated from the hyperfine interaction constantsA andB:Q(191Ir)=0.78 (20) barns,Q(193Ir)=0.70 (18) barns (uncorrected for core polarization effects). A calculation of the hyperfine anomaly yields:191 Δ 193=−0.00023 (10). The ratio of theB factors which should be the same as for the quadrupole moments turned out to be:B(191Ir)/B(193Ir)=Q(191Ir)/Q(193Ir)=1.105502(3).
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01391592
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  • 15
    Digitale Medien
    Digitale Medien
    Hyperfine structure measurements in the ground states5 F 5,5 F 4,5 F 3 and5F2 of99Ru and101Ru with the atomic beam magnetic resonance method (1974)
    Springer
    The European physical journal 269 (1974), S. 189-193 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The hyperfine structure of the four lowest levels5 F 5, 4, 3, 2 of the5 F ground state multiplet arising from the configuration 4d 7 5s in99Ru and101Ru has been studied by the atomic — beam magnetic — resonance technique. After applying corrections due to the effects of off-diagonal hyperfine mixing we obtain the following multipole interaction constants:99Ru:A(5 F 5)=−204.5514(33) MHzB(5 F 5)=27.281 (62) MHzA 5 F 4=−163.6845(36) MHzB(5 F 4)=17.455(52) MHzA 5 F 3=−135.0294(37) MHzB(5 F 3)=10.164(50) MHzA(5 F 2)=− 82.5325(27) MHzB(5 F 2)=5.457(22) MHz101Ru:A(5 F 5)=−229.2881(33) MHzB(5 F 5)=158.934(62) MHzA(5 F 4)=−183.4744(36) MHzB(5 F 4)=101.799(52) MHzA(5 F 3)=−151.3502(38) MHzB(5 F 3)=59.323(50) MHzA(5 F 2)=−92.4974(27) MHzB(5 F 2)=31.869(23) MHz. The magnetic dipole and the electric quadrupole moments of the99Ru and101Ru nuclear ground states as calculated from these constants are the following:μ I (99Ru)=−0.594(119) nmQ(99Ru)=0.077 (15) barnsμ I (101Ru)=−0.666(133)nmQ(101Ru)=0.45 (9) barns. From measurements of the Zeeman effect in the even isotope102Ru we find the followingg J -factors for the5 F ground multiplet:g J (5 F 5)=1.397741(20)g J (5 F 4)=1.347604(20)g J (5 F 3)=1.248988(20)g J (5 F 2)=1.001120(3).
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01668681
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  • 16
    Digitale Medien
    Digitale Medien
    Atomic beam magnetic resonance investigations in the3 F 2 Ground State of177Hf,179Hf and180Hf (1972)
    Springer
    The European physical journal 250 (1972), S. 57-67 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The 5d 26s 2 3 F 2 ground state of177Hf,179Hf and180Hf has been studied using the atomic beam magnetic resonance method. The atomic beam was produced by an universal evaporation technique described in a previous paper. The results are180Hfg j (3 F 2)=0.695812 (10)177Hf Δv(3 F 2;F=11/2↔F=9/2)=991.7917 (10) MHz Δv(3 F 2;F=9/2↔F=7/2)=477.0081 (10) MHz Δv(3 F 2;F=7/2↔F=5/2)=162.8890 (10) MHz179HfΔv(3 F 2;F=13/2↔F=11/2)=82.1320 (10) MHz Δv(3 F 2;F=11/2↔F=9/2)=392.8498 (10) MHz. The magnetic dipole and electric quadrupole moments of the177Hf and179Hf nuclear ground states as calculated from these hyperfine structure measurements are the following: μ(177)=0.75(8)μ k , Q(177)=4.34 (65) barns μ(179)=−0.61 (6)μ k , Q(179)=4.90 (75) barns.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01386892
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  • 17
    Digitale Medien
    Digitale Medien
    High resolution measurements of isotope shifts in lead (1982)
    Springer
    The European physical journal 305 (1982), S. 89-90 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We report laser spectroscopic measurements of isotope shifts and hyperfine structure in ten stable and unstable lead isotopes, including two not previously measured.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01415085
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  • 18
    Digitale Medien
    Digitale Medien
    Two-photon spectroscopy of Na 3s-4d without Doppler broadening using a cw dye laser
    Amsterdam : Elsevier
    Optics Communications 11 (1974), S. 50-53 
    Details
    ISSN: 0030-4018
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0030-4018(74)90331-9
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  • 19
    Digitale Medien
    Digitale Medien
    Fast frequency control of a cw dye jet laser (1979)
    Springer
    Applied physics 19 (1979), S. 181-184 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 42.60
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract For frequency stabilization of a cw dye laser a very fast reacting piezo mirror translator with 350 kHz lowest resonance frequency has been developed. If it is driven by appropriate control electronics it allows to suppress efficiently fast frequency changes of the jet stream dye laser. The remaining frequency jitter is 270 kHz rms for full-bandwidth detection; it drops to a few kHz if a filter time constant of 100 μs is used.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00932394
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  • 20
    Digitale Medien
    Digitale Medien
    Precise rf tuning for cw dye lasers (1979)
    Springer
    Applied physics 20 (1979), S. 141-146 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 42.60.B ; 42.60.F
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract Laser beams are rf amplitude modulated to generate side frequencies which are used to tune a cw dye laser with rf accuracy. In a laser spectroscopic test experiment a precision of ±15kHz has been realized.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00885935
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