Hyperfine structure and isotope shift of the 1.3-micron transition of I-129

Details Hyperfine structure and isotope shift of the 1.3-micron transition of I-129 Hyperfine structure and isotope shift of the 1.3-micron transition of I-129

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apopt..19.2767e&link_type=abstract

Applied Optics, vol. 19, Aug. 15, 1980, p. 2767-2770. Research sponsored by the U.S. Department of Energy.

Physics

Optics

2

Atomic Spectra, Electrodeless Discharges, Electron Transitions, Hyperfine Structure, Iodine Isotopes, Isotope Effect, Fourier Transformation, Gas Discharge Tubes, Ground State, High Resolution, Infrared Spectra, Line Spectra, Nuclear Weapons, Radioactive Wastes

Scientific paper

High resolution Fourier transform spectra of the 1.3 micron emission from iodine 127 and 129 isotope electrodeless discharge lamps are presented and analyzed. The hyperfine splitting constants of the 129 isotope are: A = 18.35 plus or minus 0.01 mK and B = 26.55 plus or minus 0.07 mK for the J = 3/2 ground state and A = 146.32 plus or minus 0.02 mK for the J = 1/2 excited state. The validity of the theoretical intensity and isotope relationships is confirmed. The isotope shift between isotopes 129 and 127 for the 1.3 micron transition was measured to be less than 1 mK.

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