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Last Update:
April 22, 2005

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Brief Introduction to H3+

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Links to H3+ Related Sites

Publications, Talks, Posters, etc.


Contact Information:
McCall Group
Department of Chemistry & Department of Astronomy
600 S. Mathews Ave.
Urbana, IL 61801
Phone: (217) 244-3993
FAX: (217) 244-3186
www: bjm.scs.uiuc.edu

Oka Group
Department of Chemistry
5735 S. Ellis Ave.
Chicago, IL 60637
Phone: (773) 702-7262
FAX: (773) 702-0805
www: fermi.uchicago.edu
Preprints, Publications, Talks, etc...


Literature Search for H3+ Using ADS:

  • Physics Literature Search
  • Astronomy Literature Search

  • Preprints

  • B. J. McCall, A. J. Huneycutt, R. J. Saykally, N. Djuric, G. H. Dunn, J. Semaniak, O. Novotny, A. Al-Khalili, A. Ehlerding, F. Hellberg, S. Kalhori, A. Neau, R. Thomas, A. Paal, F. Osterdahl, and M. Larsson, Storage Ring Measurements of the Dissociative Recombination Rate of Rotationally Cold H3+-e- recombination rate, Journal of Physics: Conference Proceedings, submitted.

    Publications

  • M. Goto, B. J. McCall, T. R. Geballe, T. Usuda, and T. Oka, H3+ line survey towards the Galactic center, Springer Proceedings in Physics, 91, 537-540 (2004).
  • T. Oka and E. Epp, The nonthermal rotational distribution of H3+, Astrophys. J., 613, 349-354 (2004).
  • T. Oka,  The ubiquitous H3+, Springer Proceedings in Physics, 91, 37-42 (2004).
  • B. J. McCall, A. J. Huneycutt, R. J. Saykally, N. Djuric, G. H. Dunn, J. Semaniak, O. Novotny, A. Al-Khalili, A. Ehlerding, F. Hellberg, S. Kalhori, A. Neau, R. Thomas, A. Paal, F. Osterdahl, and M. Larsson, Dissociative Recombination of Rotationally Cold H3+-e- recombination rate, Physical Review A, 70, 052716 (2004).
  • S. Kalhori, R. Thomas, A. Al-Khalili, A. Ehlerding, F. Hellberg, A. Neau, M. Larsson, A. Larson, A. J. Huneycutt, B. J. McCall, N. Djuric, G. H. Dunn, J. Semaniak, O. Novotny, A. Paal, F. Osterdahl, A. E. Orel, Resonant Ion-Pair Formation in Electron Collisions with Rovibrationally Cold H3+, Physical Review A, 69, 022713 (2004).
  • T. R. Geballe, B. J. McCall, T. Oka, H3+ in dark clouds, in Chemistry as a Diagnostic of Star Formation, eds. C. L. Curry and M. Fich, (National Research Council of Canada, Ottawa), 2003, pp. 46-49.
  • T. Oka, Help!!! Theory for H3+ Recombination Badly Needed, in Dissociative Recombination of Molecular Ions with Electrons, ed. S. L. Guberman (Kluwer Academic/Plenum Publishers, New York), 2003, pp. 209-220.
  • M. Goto, B. J. McCall, T. R. Geballe, T. Usuda, N. Kobayashi, H. Terada, and T. Oka, Observation of Interstellar H3+ Using Subaru IRCS: The Galactic Center, Astronomical  Society of the Pacific Conference Series, 289, 189 (2003).
  • J. L. Gottfried, B. J. McCall, and T. Oka, Near-Infrared Spectroscopy of H3+ Above the Barrier to Linearity, Journal of Chemical Physics,  118, 10890 (2003).
  • B. J. McCall, A. J. Huneycutt, R. J. Saykally, T. R. Geballe, N. Djuric, G. H. Dunn, J. Semaniak, O. Novotny, A. Al-Khalili, A. Ehlerding, F. Hellberg, S. Kalhori, A. Neau, R. Thomas, F. Osterdahl, and M. Larsson, Enhanced cosmic-ray flux toward zeta Persei inferred from laboratory study of H3+-e- recombination rate, Nature, 422, 500 (2003).
  • B. J. McCall and T. Oka, Enigma of H3+ in diffuse interstellar clouds , in Dissociative Recombination of Molecular Ions with Electrons, ed. S. L. Guberman (Kluwer Academic/Plenum Publishers, New York), 2003, p. 365-371.
  • M. Goto, B. J. McCall, T. R. Geballe, T. Usuda, N. Kobayashi, H. Terada, and T. Oka, Absorption Line Survey of H3+ toward the Galactic Center Sources I. GCS 3-2 and GC IRS3, Publications of the Astronomical Society of Japan, 54, 951 (2002).
  • B. J. McCall, K. H. Hinkle, T. R. Geballe, G. H. Moriarty-Schieven, N. J. Evans II, K. Kawaguchi, S. Takano, V. V. Smith, and T. Oka, Observations of H3+ in the Diffuse Interstellar Medium, Astrophysical Journal, 567, 391-406 (2002).
  • C.M. Lindsay and B.J. McCall, Comprehensive Evaluation and Compilation of H3+ Spectroscopy, Journal of Molecular Spectroscopy, 210, 60-83 (2001).
  • C.M. Lindsay, R.M. Rade, Jr., and T. Oka, A survey of H3+ transitions from 3000-4200 cm-1, Journal of Molecular Spectroscopy, 210, 51-59 (2001).
  • B. J. McCall, Spectroscopy of H3+ in Laboratory and Astrophysical Plasmas, Ph. D. Thesis, Department of Chemistry and Department of Astronomy & Astrophysics, University of Chicago, 2001.
  • B. J. McCall and T. Oka, Combination Band Spectroscopy of H3+, Journal of Chemical Physics, 113, 3104 (2000).
  • B. J. McCall and T. Oka, H3+ - an Ion with Many Talents (Perspective), Science, 287, 1941 (2000).
  • M. Cordonnier, D. Uy, R. M. Dickson, K. E. Kerr, Y. Zhang, and T. Oka, Selection rules for nuclear spin modifications in ion-neutral reactions involving H3+, J. Chem. Phys. 113, 3181-3193 (2000).
  • T. Oka, Introductory remarks on astronomy, physics and chemistry of H3+, Philos. Trans. R. Soc. London, Ser. A 358, 2363-2369 (2000).
  • B. J. McCall, Laboratory spectroscopy of H3+, Philos. Trans. R. Soc. London, Ser. A 358, 2385-2401 (2000).
  • C.M. Lindsay, E.T White, and T. Oka, Measurement of the H3+ destruction rate due to ambipolar diffusion in an AC positive column discharges, Chem. Phys. Lett. 328, 129-134 (2000).
  • T. Oka, H3+ in the diffuse interstellar medium: the enigma related to dissociative recombination, in Dissociative Recombination: Theory, Experiment, and Applications IV, eds. M. Larsson, J. B. A. Mitchell, and I. F. Schneider, (World Scientific, Singapore), 2000, pp. 13-24.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Observations of H3+ in Dense Molecular Clouds , Astrophysical Journal, 522, 338 (1999).
  • T. R. Geballe, B. J. McCall, K. H. Hinkle, and T. Oka, Detection of H3+ in the Diffuse Interstellar Medium: The Galactic Center and Cygnus OB2 No. 12, Astrophysical Journal, 510, 251 (1999).
  • B. J. McCall, K. H. Hinkle, T. R. Geballe, and T. Oka, H3+ in Dense and Diffuse Clouds, Faraday Discussions, vol. 109, 267-280 (1998).
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Detection of H3+ in the Diffuse Interstellar Medium Toward Cygnus OB2 No. 12, Science, 279, 1910 (1998).
  • T. R. Geballe, B. J. McCall, and T. Oka, Recent Observations of H3+ in Molecular Clouds, in Star Formation with the Infrared Space Observatory, ASP Conference Series, Vol. 132, 1998 eds. J. L. Yun and R. Liseau, pp. 72-75.
  •  T. Oka, The infrared spectrum of H3+ in laboratory and space plasmas, in Spectroscopy: Perspectives and Frontiers, A. P. Roy, ed. Narosa Publishing House, pp1-16, (1997).
  •  D. Uy, M. Cordonnier, and T. Oka, Observation of ortho-para H3+ selection rules in plasma chemistry, Phys. Rev. Lett. 78, 3844-3847 (1997).
  • T. R. Geballe, and T. Oka, Detection of H3+ in interstellar space, Nature 384, 334-5 (1996).
  • T. Oka, Application of laser spectroscopy to fundamental molecular species: H3+ and solid H2 in Proceedings of the International School of Physics “Enrico Fermi” Course CXX, T. W. Hänsch and M. Inguscio, eds., North Holland, New York, pp 61-87, (1994).
  • D. Uy, C. M. Gabrys, M.-F. Jagod, and T. Oka, Spectral lines and distribution of H3+ in high rotational levels, J. Chem. Phys. 100, 6267-74 (1994).
  • B. F. Ventrudo, D. T. Cassidy, Z. Y.  Guo, S. W.  Joo, S. S. Lee, and T. Oka, Near infrared 3n2 overtone band of H3+, J. Chem. Phys. 100, 6263-6 (1994).
  • T. R. Geballe, M.-F. Jagod, T. Oka , Detection of H3+ infrared emission lines in Saturn, Astrophys. J. 408, L109-L112 (1993).
  • T. Oka , M.-F. Jagod, Infrared spectrum of H3+ as an astronomical probe, J. Chem. Soc., Faraday Trans. 89, 2147-54, 2172-3 (1993).
  • T. Oka, The infrared spectrum of the H3+ in laboratory and space plasmas, Rev. Mod. Phys. 64, 1141-9 (1992).
  • L. W. Xu, M. Roesslein, C. M. Gabrys, and T. Oka, Observation of infrared forbidden transitions of H3+, J. Mol. Spectrosc. 153, 726-37 (1992).
  • L. Kao, T. Oka, S. Miller, J. Tennyson, A table of astronomically important rovibrational transitions for the H3+ molecular ion, Astrophys. J., Suppl. Ser. 77, 317-29 (1991).
  • S. S. Lee, B. F. Ventrudo, D. T. Cassidy, T. Oka, S. Miller, J. Tennyson, Observation of the 3n2←0 overtone band of H3+, J. Mol. Spectrosc. 145, 222-4 (1991).
  • L. W. Xu, C. Gabrys, and T. Oka, Observation of the 2n2 (l=2)←0 overtone band of the H3+, J. Chem. Phys. 93, 6210-15 (1990).
  • M. G. Bawendi, B. D. Rehfuss, and T. Oka, Laboratory observation of hot bands H3+, J. Chem. Phys. 93, 6200-10 (1990).
  • T. Oka, T. R. Geballe, Observation of the 4mm fundamental band of H3+ in Jupiter, Astrophys. J. 351, L53-L56 (1990).
  • T. R. Geballe and T. Oka, An infrared spectroscopic search for the molecular ion H3+, Astrophys. J. 342, 855-9 (1989).
  • F. S. Pan and T. Oka, Calculated forbidden rotational spectra of the H3+, Astrophys. J. 305, 518-25 (1986).
  •  J. K. G. Watson, S. C. Foster, A. R. W. McKellar, P. Bernath, T. Amano, F. S. Pan, M. W. Crofton, R. S. Altman, and T. Oka, The infrared spectrum of the ν2 fundamental band of the H3+ molecular ion, Can. J. Phys. 62, 1875-1885 (1984).
  • T. Oka, The H3+ ion, in Molecular Ions: Spectroscopy, Structure, and Chemistry, T. A. Miller and V. E. Bondybey, eds., North Holland, New York, pp73-90,(1983).
  • T. Oka, A search for interstellar H3+, Philos. Trans. R. Soc. London, Ser. A 303, 543-9 (1981).
  • T. Oka, The infrared spectrum of H3+, in Laser Spectroscopy V, S. R. W. McKellar, T. Oka, and B. P. Stoicheff, eds., Springer-Verlag, Berlin, Heidelberg, New York, pp320-3 (1981).
  • T. Oka, Observation of the infrared spectrum of H3+, Phys. Rev. Lett. 45, 531-4 (1980).
    Conference Presentations

  • B. J. McCall , H3+: A Beautiful Jewel of Nature, Jewels in Spectroscopy, in honor of Takeshi Oka, Chicago, Illinois, June 21, 2003.
  • B. J. McCall, A. J. Huneycutt, R. J. Saykally, T. R. Geballe, N. Djuric, G. H. Dunn, J. Semaniak, O. Novotny, A. Al-Khalili, A. Ehlerding, F. Hellberg, S. Kalhori, A. Neau, R. Thomas, F. Osterdahl, and M. Larsson, Enhanced Cosmic-ray Flux Toward Zeta Persei Inferred from Storage Ring Measurement of Dissociative Recombination Rate of Rotationally Cold H3+, Fifty-eighth Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 16-20, 2003.
  • J. Gottfried, B.J. McCall, and T. Oka, High-Resolution Near-Infrared Spectroscopy of H3+ Above the Barrier to Linearity.  Fifty-seventh Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 17-21, 2002.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, M. Goto, N. Kobayashi, H. Terada, T. Usuda, and T. Oka, Observations of H3+ in the Diffuse Interstellar Medium, Fifty-seventh Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 17-21, 2002.
  • B. J. McCall and T. Oka, Enigma of H3+ in Diffuse Interstellar Clouds, International Symposium on the Dissociative Recombination of Molecules with Electrons, Chicago, IL, August 26-30, 2001.
  • C.M. Lindsay and B.J. McCall, Compilation and evaluation of the laboratory spectroscopy of H3+  Fifty-sixth Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 11-15, 2001.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, V. V. Smith, G. Moriarty-Schieven, S. Takano, and T. Oka, H3+ in the Diffuse Interstellar Medium toward HD 183143, Fifty-sixth Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 11-15, 2001.
  • B. J. McCall, Laboratory Spectroscopy of H3+, Royal Society Discussion Meeting on "Astronomy, Physics, and Chemistry of H3+", London, England, February 9-10, 2000.
  • C.M. Lindsay, R.M. Rade, Jr., and T. Oka, Survey of H3+ transitions between 3000 and 4200 cm-1, The Royal Society Discussion Meeting on Astronomy, Physics and Chemistry of H3+, London, February 9-10, 2000. (poster)
  • C.M Lindsay, E.T. White, and T. Oka, Measurement of the H3+ destruction rate due to ambipolar diffusion in an AC positive column discharges, The Royal Society Discussion Meeting on Astronomy, Physics and Chemistry of H3+, London, February 9-10, 2000. (poster)
  • C.M. Lindsay, R.M. Rade, Jr., and T. Oka, Survey of H3+ transitions between 3000 and 4200 cm-1, Fifty-fifth Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 11-16, 2000.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Observations of H3+ in the Diffuse Interstellar Medium, 194th (Centennial) Meeting of the American Astronomical Society, Chicago, Illinois, June 1, 1999.
  • C.M. Lindsay, E.T. White,T. Oka, Measurement of H3+ Destruction Rates Due to Ambipolar Diffusion in AC Positive Column Discharges, Fifty-fourth Ohio State University International Symposium on MolecularSpectroscopy, Columbus, Ohio, June 14-18, 1999.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Observations of Interstellar H3+ , Centennial Meeting of the American Physical Society, Atlanta, Georgia, March 20-26, 1999.
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Observation of H3+ in Dense and Diffuse Clouds, 193rd Meeting of the American Astronomical Society, Austin, Texas, January 5-9, 1999. (poster)
  • B. J. McCall and T. Oka, Observation of Interstellar H3+ II. Diffuse Clouds, Protostars and Planets IV, Santa Barbara, California, July 6-11, 1998. (poster)
  • T. Oka and B. J. McCall, Observation of Interstellar H3+ I. Dense Molecular Clouds, Protostars and Planets IV, Santa Barbara, California, July 6-11, 1998. (poster)
  • B. J. McCall, T. R. Geballe, K. H. Hinkle, and T. Oka, Observation of H3+ in the Diffuse Interstellar Medium, Fifty-third Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 15-19, 1998.
  • B. J. McCall, T. R. Huet, J. K. G. Watson, and T. Oka, Overtone and Combination Band Spectroscopy of H3+, Fifty-third Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 15-19, 1998.
  • B. J. McCall and T. Oka, H3+ in Dense and Diffuse Clouds, Faraday Discussion No. 109, Chemistry and Physics of Molecules and Grains in Space, Nottingham, UK, April 14-16, 1998.
  • B. McCall, T. Geballe, K. Hinkle, and T. Oka, The Interstellar Chemist's Most Insightful Tool: H3+ Observed in a Variety of Astronomical Environments, Thirteenth Annual University of Waterloo Symposium on Chemical Physics, Waterloo, October 24-26, 1997.
  • B. J. McCall, K. H. Hinkle, T. R. Geballe, and T. Oka, Observation of Interstellar H3+, Fifty-second Ohio State University International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 16-20, 1997.