Hyperfine structure and isotope shift of 3.5-h Hg193 by a Zeeman-scanned optical-pumping method

G. F. Fulop, C. H. Liu, P. A. Moskowitz, O. Redi, H. H. Stroke

    Research output: Contribution to journalArticle

    Abstract

    A new method, suggested by work of Otten, involving Zeeman scanning of an optically pumped vapor has been developed and used to determine the hyperfine structure of 3.5-h Hg193 (I=32) in the 6s 6p P13 state, and the isotope shift in the 2537-Å resonance line. The 6s2 S01 ground state is optically pumped via each of the hfs components. The displacements of the Hg193 hfs components from Hg198 are found by measuring the magnetic field used to scan the optical-pumping lamp. The resonance is detected optically. The measured values are 83(4), 572(5), and 911(5) mK for the F=52,32, and 12 components, respectively. The final results are 80(7) and 572(5) mK for the positions of the first two components corrected to account for perturbations caused by the presence of other isotopes. These perturbations are much smaller than the ones encountered in optical spectroscopy because of the selective nature of our detection method. A model calculation for the relevant emission and absorption processes was developed to determine the perturbations. We obtain, with the use of the previously determined A value, the corrected quadrupole interaction constant B=+15(7) mK. The corrected isotope shift of Hg193 relative to Hg198 is 383(7) mK. The resulting corrected odd-even staggering parameter, relative to Hg192 and Hg194, is γ=0.74(30) or 0.56(14), the two values corresponding to different measurements of the isotope shift of Hg192.

    Original languageEnglish (US)
    Pages (from-to)593-605
    Number of pages13
    JournalPhysical Review A
    Volume9
    Issue number2
    DOIs
    StatePublished - 1974

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    optical pumping
    hyperfine structure
    isotope effect
    shift
    perturbation
    staggering
    resonance lines
    luminaires
    isotopes
    quadrupoles
    vapors
    scanning
    ground state
    magnetic fields
    spectroscopy
    interactions

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Atomic and Molecular Physics, and Optics

    Cite this

    Hyperfine structure and isotope shift of 3.5-h Hg193 by a Zeeman-scanned optical-pumping method. / Fulop, G. F.; Liu, C. H.; Moskowitz, P. A.; Redi, O.; Stroke, H. H.

    In: Physical Review A, Vol. 9, No. 2, 1974, p. 593-605.

    Research output: Contribution to journalArticle

    Fulop, G. F. ; Liu, C. H. ; Moskowitz, P. A. ; Redi, O. ; Stroke, H. H. / Hyperfine structure and isotope shift of 3.5-h Hg193 by a Zeeman-scanned optical-pumping method. In: Physical Review A. 1974 ; Vol. 9, No. 2. pp. 593-605.
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    abstract = "A new method, suggested by work of Otten, involving Zeeman scanning of an optically pumped vapor has been developed and used to determine the hyperfine structure of 3.5-h Hg193 (I=32) in the 6s 6p P13 state, and the isotope shift in the 2537-{\AA} resonance line. The 6s2 S01 ground state is optically pumped via each of the hfs components. The displacements of the Hg193 hfs components from Hg198 are found by measuring the magnetic field used to scan the optical-pumping lamp. The resonance is detected optically. The measured values are 83(4), 572(5), and 911(5) mK for the F=52,32, and 12 components, respectively. The final results are 80(7) and 572(5) mK for the positions of the first two components corrected to account for perturbations caused by the presence of other isotopes. These perturbations are much smaller than the ones encountered in optical spectroscopy because of the selective nature of our detection method. A model calculation for the relevant emission and absorption processes was developed to determine the perturbations. We obtain, with the use of the previously determined A value, the corrected quadrupole interaction constant B=+15(7) mK. The corrected isotope shift of Hg193 relative to Hg198 is 383(7) mK. The resulting corrected odd-even staggering parameter, relative to Hg192 and Hg194, is γ=0.74(30) or 0.56(14), the two values corresponding to different measurements of the isotope shift of Hg192.",
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    AU - Fulop, G. F.

    AU - Liu, C. H.

    AU - Moskowitz, P. A.

    AU - Redi, O.

    AU - Stroke, H. H.

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    N2 - A new method, suggested by work of Otten, involving Zeeman scanning of an optically pumped vapor has been developed and used to determine the hyperfine structure of 3.5-h Hg193 (I=32) in the 6s 6p P13 state, and the isotope shift in the 2537-Å resonance line. The 6s2 S01 ground state is optically pumped via each of the hfs components. The displacements of the Hg193 hfs components from Hg198 are found by measuring the magnetic field used to scan the optical-pumping lamp. The resonance is detected optically. The measured values are 83(4), 572(5), and 911(5) mK for the F=52,32, and 12 components, respectively. The final results are 80(7) and 572(5) mK for the positions of the first two components corrected to account for perturbations caused by the presence of other isotopes. These perturbations are much smaller than the ones encountered in optical spectroscopy because of the selective nature of our detection method. A model calculation for the relevant emission and absorption processes was developed to determine the perturbations. We obtain, with the use of the previously determined A value, the corrected quadrupole interaction constant B=+15(7) mK. The corrected isotope shift of Hg193 relative to Hg198 is 383(7) mK. The resulting corrected odd-even staggering parameter, relative to Hg192 and Hg194, is γ=0.74(30) or 0.56(14), the two values corresponding to different measurements of the isotope shift of Hg192.

    AB - A new method, suggested by work of Otten, involving Zeeman scanning of an optically pumped vapor has been developed and used to determine the hyperfine structure of 3.5-h Hg193 (I=32) in the 6s 6p P13 state, and the isotope shift in the 2537-Å resonance line. The 6s2 S01 ground state is optically pumped via each of the hfs components. The displacements of the Hg193 hfs components from Hg198 are found by measuring the magnetic field used to scan the optical-pumping lamp. The resonance is detected optically. The measured values are 83(4), 572(5), and 911(5) mK for the F=52,32, and 12 components, respectively. The final results are 80(7) and 572(5) mK for the positions of the first two components corrected to account for perturbations caused by the presence of other isotopes. These perturbations are much smaller than the ones encountered in optical spectroscopy because of the selective nature of our detection method. A model calculation for the relevant emission and absorption processes was developed to determine the perturbations. We obtain, with the use of the previously determined A value, the corrected quadrupole interaction constant B=+15(7) mK. The corrected isotope shift of Hg193 relative to Hg198 is 383(7) mK. The resulting corrected odd-even staggering parameter, relative to Hg192 and Hg194, is γ=0.74(30) or 0.56(14), the two values corresponding to different measurements of the isotope shift of Hg192.

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