Preliminary Investigation of Collisional De-Excitation Rates for the 3D-3P Transition in Helium I, and 2F-2D Transition in Helium II

摘要

Helium gas was excited by 1.15 Mev protons from a Van de Graaff generator. Intensity of the radiation spectrum versus pressure data were recorded and plotted for the doublet F-doublet D transition in He II (4686 A). Through use of theoretical equations and experimental data, the collisional de-excitation rate coefficient, K, was determined. A suggested experimental procedure is discussed for continuation of this investigation using electron excitation. (Author)