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Uv Line Profiles of Biv from a 10-Ps Krf-Laser-Produced Plasma

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Abstract

We use a KrF laser that generates pulses up to 8 × 1014 watt/cm2 when focused onto a boron nitride target. We measured the line profile of the near UV, Δ n = 0, n = 2 transitions of helium-like boron and we studied the triplet 1s2p3P-1s2s3S at 2825.85 (J = 1), 2821.68 (J = 2) and 2824.57 (J = 0) Å, at various positions from the target surface, in order to correlate details of this profile with the presence of self-generated magnetic fields and/or dynamic turbulence among other processes. We fitted the measured profiles to a 0-D model, that includes, Stark, Doppler, Zeeman and instrumental broadening. The effect of the magnetic field was included using an intermediate field calculations. Preliminary results of these measurements are presented and discussed.

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Authors and Affiliations

  1. Institute for Plasma Research, University of Maryland, College Park, MD, 20742, U.S.A

    E. Iglesias, H. Griem, B. Welch & J. Weaver

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  1. E. Iglesias
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  2. H. Griem
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  3. B. Welch
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  4. J. Weaver
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Iglesias, E., Griem, H., Welch, B. et al. Uv Line Profiles of Biv from a 10-Ps Krf-Laser-Produced Plasma. Astrophysics and Space Science 256, 327–331 (1997). https://doi.org/10.1023/A:1001140202851

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  • DOI: https://doi.org/10.1023/A:1001140202851

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