Abstract
X-ray spectra from Ne-like Xe, Cs and Ba have been observed with the Tokyo electron beam ion trap and a flat crystal spectrometer. For several n = 3 to 2 transitions in Ne-like Ba and Cs, wavelengths have been determined with an accuracy of about 200 ppm. The experimental wavelengths are compared with previous theoretical and experimental results. X-ray transitions in Ne-like Ba have also been used to measure the spatial distribution of x-ray radiation with a spherically bent crystal. The possibility to apply such techniques to diagnostics of an EBIT is discussed.
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