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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 72, Iss. 6 — Jun. 1, 1982
  • pp: 717–719

Hyperfine structure of the A 2Π state of Ca35Cl

W. J. Childs, David R. Cok, and L. S. Goodman  »View Author Affiliations


JOSA, Vol. 72, Issue 6, pp. 717-719 (1982)
http://dx.doi.org/10.1364/JOSA.72.000717


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Abstract

The hyperfine structure (hfs) of the A2Π excited state of Ca35Cl has been investigated by using the new rf-pumped, laser-rf double-resonance technique. The optically unresolved hfs components of the R2 (N″ = 101), AX (0, 0) line were resolved by double resonance, and the measured splittings, when combined with the known X2Σ+- state hfs spacings, show that the A2Π -state hfs splittings are not more than 1 MHz.

© 1982 Optical Society of America

Citation
W. J. Childs, David R. Cok, and L. S. Goodman, "Hyperfine structure of the A 2Π state of Ca35Cl," J. Opt. Soc. Am. 72, 717-719 (1982)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-72-6-717


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References

  1. P. F. Bernath, B. Pinchemel, and R. W. Field, "The hypdrfine structure of the calcium monohalides," J. Chem. Phys. 74, 5508–5515 (1981).
  2. W. J. Childs, D. R. Cok, and L. S. Goodman, "Hyperfine studies of the X 2Σ ground state of Ca35Cl and Ca37Cl by molecular-beam laser-rf double resonance," J. Chem. Phys. (1982).
  3. L. E. Berg, L. Klynning, and H. Martin, "Laser-spectroscopic investigation of CaCl. II. Rotational analysis of the B 2Σ ↔ X2Σ transitions," Phys. Scr. 22, 216–220 (1980).
  4. L. E. Berg, L. Klynning, and H. Martin, "Laser-spectroscopic investigations of CaCl. I. Rotational analysis of the A 2Π ↔ X 2Σ transitions," Phys. Scr. 21, 173–178 (1980).
  5. J. M. Brown, H. Martin, and F. D. Wayne, "A study of the A 2II ↔ X 2Σ system of CaCl by saturation spectroscopy," Chein. Phys. Lett. 55, 67–70 (1978).
  6. P. J. Domaille, T. C. Steimle, N. B. Wong, and D. O. Harris, "High-resolution laser excitation spectroscopy analysis of the B 2Σ ↔ X 2Σ system of CaCl," J. Mol. Spectrosc. 65, 354–365 (1977).
  7. P. J. Domaille, T. C. Steimle, and D. O. Harris, "The rotational spectrum of the X 2Σ state of the Ca35Cl radical using lasermicrowave optical double resonance," J. Mol. Spectrosc. 66, 503–505 (1977).
  8. L. E. Berg, L. Klynning, and H. Martin, "Observations of twophoton absorption in gaseous CaCl: a study of the D 2Σ and X 2Σ states," Phys. Scr. 18, 61–64 (1978).
  9. W. J. Childs, D. R. Cok, L. S. Goodman, and O. Poulsen, "Investigation of unresolved hfs splittings in the B 2Σ state of CaCl using rf-pumped laser double-resonance spectroscopy," Phys. Rev. Lett. 47; 1389–1391 (1981).
  10. P. J. Dagdigian, H. W. Cruse, and R. N. Zare, "Radiative lifetimes of the alkaline-earth monohalides," J. Chem. Phys. 60, 2330–2339 (1974).
  11. W. J. Childs, D. R. Cok, G. L. Goodman, and L. S. Goodman, "Hyperfine and spin-rotational structure of CaBr X 2Σ (ν = 0) by molecular beam laser-rf double resonance," J. Chem. Phys. 75, 501–507 (1981).
  12. W. J. Childs, D. R. Cok, and L. S. Goodman, "Determination of dipole and quadrupole hfs in the excited B 2Σ state of Ca79Br and Ca8lBr," Can. J. Phys. 59, 1308–1312 (1981).

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