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Journal Articles Journal of Physics: Conference Series Year : 2015

Polarization analysis of CuXX-lines emitted from X-pinch

Abstract

Soft x-ray emission from CuXX L-shell lines emitted by a dense X-pinch plasma have been investigated with high-resolution curved Bragg crystals at different angles of orientation. Single shot time integrated spectra show clear evidences of polarization for the Ne-like spectral lines 2s22p6 1S0 → 2s22p53s 1P1 (λ = 12.570 Å), 2s22p6 1S0 → 2s22p53s 3P1 (λ = 12.8277 Å). The variation of the intensity ratio of these two well-separated L-shell lines is discussed in view of its application for suprathermal electron characterization under real experimental conditions of pinch plasmas. We demonstrated that the simultaneous use of two different polarization spectrometers (means 4 Bragg crystals) permitted a high level of confidence for the analysis of the variation of the line ratios due to polarization.
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hal-01274064 , version 1 (17-02-2016)

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E O Baronova, Jean Larour, F B Rosmej, F y Khattak. Polarization analysis of CuXX-lines emitted from X-pinch. Journal of Physics: Conference Series, 2015, 653, pp.012145. ⟨10.1088/1742-6596/653/1/012145⟩. ⟨hal-01274064⟩
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