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On the collisional cooling of co-trapped atomic and molecular ions by ultracold atoms: Ca+ + Na and Na2 +(v*,J* ) + Na.

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Coherence and Quantum Optics VIII

Abstract

Calculated potentials for collisions of one-electron Ca+ ions with co-trapped Na atoms suggest the excited (triplet sigma +) state of (NaCa)+ is metastable with respect to charge transfer. Measurements of the elastic cross sections for cooling of Ca+ and of internally hot Na molecular ions by ultracold Na are planned.

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References

  1. W. W. Smith, “Cold Atomic and Molecular Ion-Atom Collisions in a Hybrid Trap”, proposal 9/15/99 to the National Science Foundation.

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  2. See, for example, M. G. Raizen, J. M. Gilligan, J. C. Bergquist, W. M. Itano, and D. J. Wineland, “Ionic crystals in a linear Paul trap,” Phys. Rev. A 45, 6493 (1992).

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  3. H. C. Naegerl, D. Leibfried, F. Schmidt-Kaler, J. Eschner and Rainer Blatt, “Coherent excitation of normal modes in a string of Ca+ ions,” Optics Express 3, 89 (1988); see also references therein.

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  4. R. Coté and A. Dalgarno, “Ultracold atom-ions collisions,” Phys. Rev. A 62, 012709 (2000).

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  5. E. Babenko, C. Tapalian and W. W. Smith, “Associative ionization in laser-excited sodium 3p + 3d collisions,” Chem Physics Letters 244, 121 (1995). See also C. Tapalian and W. W. Smith, “Resonant collisional dissociation” of Na2 + by Na(3p) in an effusive beam,” Phys. Rev. A 49, 921 (1994).

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Author information

Authors and Affiliations

  1. Department of Physics, University of Connecticut, Storrs, Connecticut, 06269-3046

    W. W. Smith, E. Babenko, R. Cote & H. H. Michels

Authors
  1. W. W. Smith
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  2. E. Babenko
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  3. R. Cote
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  4. H. H. Michels
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Editor information

Editors and Affiliations

  1. University of Rochester, Rochester, New York, USA

    N. P. Bigelow , J. H. Eberly , C. R. Stroud  & I. A. Walmsley , ,  & 

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Smith, W.W., Babenko, E., Cote, R., Michels, H.H. (2003). On the collisional cooling of co-trapped atomic and molecular ions by ultracold atoms: Ca+ + Na and Na2 +(v*,J* ) + Na.. In: Bigelow, N.P., Eberly, J.H., Stroud, C.R., Walmsley, I.A. (eds) Coherence and Quantum Optics VIII. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8907-9_199

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  • DOI: https://doi.org/10.1007/978-1-4419-8907-9_199

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-4715-6

  • Online ISBN: 978-1-4419-8907-9

  • eBook Packages: Springer Book Archive

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