Double Differential Cross-Sections for Electron Impact Ionization of Atoms and Molecules

<table>A photograph of the electron spectrometer showing the electron gun, the hemispherical analyzers, the Faraday cup, and the gas line. The electron spectrometer is located in the vacuum chamber.</table>

Journal of Spectroscopy

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Figure 2

Figure 2: Double Differential Cross-Sections for Electron Impact Ionization of Atoms and Molecules 