Dielectronic satellite contributions to Ne VIII and Ne IX K-shell spectra

B. J. Wargelin, S. M. Kahn, and P. Beiersdorfer
Phys. Rev. A 63, 022710 – Published 17 January 2001
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Abstract

Kα spectra of heliumlike neon and associated lithiumlike, berylliumlike, and boronlike satellite line emission have been observed with a high-resolution crystal spectrometer on the Lawrence Livermore Electron Beam Ion Trap. The KLL dielectronic recombination satellites were resolved from their He-like parent lines in electron energy space, and their wavelengths and resonance strengths measured. The wavelength measurements achieved a typical accuracy of a few mÅ, with two measurements accurate to better than one part in 10 000. By normalizing to the He-like resonance line, w, we measure Li-like satellite resonance strengths that are 10% to 46% lower than predicted by theoretical models. The wavelengths and relative strengths of Be-like KLL satellites were also measured, and absolute strengths were obtained by normalizing to the collisionally excited Li-like qr satellite blend.

  • Received 8 August 2000

DOI:https://doi.org/10.1103/PhysRevA.63.022710

©2001 American Physical Society

Authors & Affiliations

B. J. Wargelin* and S. M. Kahn

  • Department of Physics and Space Sciences Laboratory, University of California, Berkeley, California 94720

P. Beiersdorfer

  • Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550

  • *Present address: Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138.
  • Present address: Department of Physics, Columbia University, 538 West 120th Street, New York, NY 10027.

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Vol. 63, Iss. 2 — February 2001

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