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Photo induced collisions with laser cooled He* atoms

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The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics Aims and scope Submit manuscript

Abstract:

This paper presents an experimental investigation of cold collisions between metastable helium atoms in an optical trap at 1 mK. Penning (PI) and associative (AI) ionization reactions are distinguished using a mass spectrometer and studied under influence of near resonant laser light. Dramatic enhancement, by more than a factor 15, of the ion rate is observed when the laser is tuned close to resonance. Experimental findings are well-described, on an absolute scale, by model predictions.

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Authors and Affiliations

  1. The Debye Institute, University of Utrecht, P.O. Box 80.000, 3508 TA Utrecht, The Netherlands, , , , , , NL

    H.C. Mastwijk, M. van Rijnbach, J.W. Thomsen, P. van der Straten & A. Niehaus

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  1. H.C. Mastwijk
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  2. M. van Rijnbach
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  3. J.W. Thomsen
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  4. P. van der Straten
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  5. A. Niehaus
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Additional information

Received: 9 February 1998 / Revised: 4 May 1998 / Accepted: 14 May 1998

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Mastwijk, H., van Rijnbach, M., Thomsen, J. et al. Photo induced collisions with laser cooled He* atoms. Eur. Phys. J. D 4, 131–137 (1998). https://doi.org/10.1007/s100530050192

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  • DOI: https://doi.org/10.1007/s100530050192

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