TheKX-ray Fluorescence Spectrum of Neon

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Abstract
Neon gas at a pressure of 500 Torr was excited by X-rays from a chromium anode tube, and the neon K emission spectrum was measured with the photon counting technique. The radiation was analyzed with a planar potassium-acid-phthalate (KAP) or gypsum crystal in a single-crystal vacuum spectrometer. The recorded spectra were corrected for instrumental distortions, and the relative integrated intensities of the α"α'α3α'3α4- and α5α6-satellite groups were obtained. The relative intensities agree with LaVilla's electron excitation results within the error limits. Hence, the satellite intensity seems to be independent of excitation mode if the excitation energy is sufficiently high. The relative KL intensity is 27% greater and the relative KL2 intensity is 160% greater than the calculated shake-off value. The multiplet structure of the α"α'α3α'3α4-group was found to be in accordance with earlier identifications except with that of Sureau.

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