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Collision and quenching cross sections in the A 2Sigma+ state of OH and OD
A pulsed dye laser has been used to excite OH and OD radicals to the A 2+ state and the quenching and vibrational relaxation cross sections have been measured for several different buffer gasses. It w...
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The dynamics of the O(1D2)+CO(X 1Sigma+, v=0) reaction
The quenching of the O(1D) atom by CO(v=0) has been studied by means of a flash-photolytic CO-laser resonant absorption method. The complete CO vibrational population distribution (0v7) was determined...

Anticrossings and microwave transitions between triplet states of D2

J. Chem. Phys. 64, 4069 (1976); doi:10.1063/1.432016

Issue Date: 15 May 1976

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Robert S. Freund, Terry A. Miller, and Bernard R. Zegarski
Bell Laboratories, Murray Hill, New Jersey 07974
Electric field induced anticrossings and X-band microwave transitions have been observed between the magnetically tuned Zeeman levels of the d (3p) 3Piu, v=3, N=1 and the i (3d) 3Pig, v=3, N=1 levels of para D2. This experiment provides the second, and most precise, interconnection between the two sets of D2 triplets which are not connected by visible spectra. The separation between the above named states is 0.8960±0.0003 cm−1. Values for the spin–orbit coupling constant, the spin–spin coupling constant, and the orbital angular momentum g factor in the 3d 3Pig state have been determined. These values show strong L uncoupling effets and indicate that the D2 i (3d) 3Pig state is intermediate between Hund's case b and d coupling. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.
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KEYWORDS and PACS

Keywords
PACS
  • 32.20.Bp
    Atomic and molecular interactions with radiation, spectra Molecular spectra (measurement and phenomenology) Radio-frequency and microwave spectra
  • 32.20.Cq
    Atomic and molecular interactions with radiation, spectra Molecular spectra (measurement and phenomenology) Microwave optical double resonance spectroscopy (MODOR) and phosphorescence microwave double resonance spectroscopy (PMDR)
  • 35.20.Sd
    Experimentally derived information on atoms and molecules Molecules Hyperfine- and fine-structure constants
  • YEAR: 1976

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
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REFERENCES (12)
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  1. P. Gloersen and G. H. Dieke, J. Mol. Spectrosc. 16, 191 (1965).
  2. R. S. Freund and T. A. Miller, J. Chem. Phys. 60, 4900 (1974).
  3. T. A. Miller and R. S. Freund, J. Chem. Phys. 62, 2240 (1975).
  4. G. H. Dieke (unpublished).
  5. R. S. Freund and T. A. Miller, J. Chem. Phys. 59, 4073 (1973).
  6. T. A. Miller and R. S. Freund, J. Chem. Phys. 58, 2345 (1973).
  7. R. S. Freund and T. A. Miller, J. Chem. Phys. 59, 5770 (1973).
  8. A. Carrington, D. H. Levy, and T. A. Miller, Adv. Chem. Phys. 18, 149 (1970).
  9. T. A. Miller, R. S. Freund, and B. R. Zegarski, Phys. Rev. A 11, 753 (1975).
  10. H. A. Bethe and E. E. Salpeter, Quantum Mechanics of One and Two Electron Atoms (Springer, Berlin, 1957).
  11. R. S. Freund and T. A. Miller, J. Chem. Phys. 56, 2211 (1972);
    12. J. Van der Linde and F. W. Dalby, Can. J. Phys. 50, 287 (1972);
    R. Jost, Chem. Phys. Lett. 17, 393 (1972).
  12. A. N. Jette and T. A. Miller, Chem. Phys. Lett. 29, 547 (1974).

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