Measurement of the photoionization cross section of the (2p)(3p)5 D33 state of neon

B. J. Claessens, J. P. Ashmore, R. T. Sang, W. R. MacGillivray, H. C. W. Beijerinck, and E. J. D. Vredenbregt
Phys. Rev. A 73, 012706 – Published 11 January 2006

Abstract

We report a new measurement of the photoionization cross section for the (2p)(3p)5 D33 state of neon at the wavelengths of 351 and 364nm. These data were obtained by monitoring the decay of the fluorescence of atoms trapped in a magneto-optical atom trap under the presence of a photoionizing laser, a technique developed by Dinneen et al. [Opt. Lett. 17, 1706 (1992)]. We obtain absolute photoionization cross sections of 2.05±0.25×1018cm2 at λ=351nm and 2.15±0.25×1018cm2 at λ=364nm, an improvement in accuracy of a factor of 4 over previously published values. These new values are not consistent with published theoretical data.

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  • Received 7 July 2005

DOI:https://doi.org/10.1103/PhysRevA.73.012706

©2006 American Physical Society

Authors & Affiliations

B. J. Claessens1, J. P. Ashmore2, R. T. Sang2, W. R. MacGillivray2,*, H. C. W. Beijerinck1, and E. J. D. Vredenbregt1,†

  • 1Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
  • 2Centre for Quantum Dynamics, School of Science, Griffith University, Nathan QLD 4111, Australia

  • *Present address: Faculty of Science, University of Southern Queensland, Toowoomba QLD 4350, Australia.
  • Electronic address: e.j.d.vredenbregt@tue.nl

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Vol. 73, Iss. 1 — January 2006

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