Excitation of multiply charged ions by electron impact
A new crossed beam apparatus has been developed for measuring differential cross sections for the excitation of multiply charged ions by electron impact. First results have been obtained for sodium-like Argon (Ar 7+); the 3s–3p transition with an excitation energy of ~ 17.5 eV has been studied at an electron energy of 100 eV. The preliminary experimental values are compared with theoretical results obtained within a Born-approximation.
KeywordsDifferential Cross Section Excitation Cross Section Electron Impact Excitation Earth Magnetic Field Total Excitation Cross Section
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