Intensity Distribution in the Energy-Loss Spectrum of Ethylene

Abstract

The electron‐impact spectrum of ethylene has been determined using a high‐resolution electron spectrometer. The intensity distribution obtained at 200‐V electron kinetic energies agrees well with previous measurements made with 33‐kV electron kinetic energies, and ultraviolet‐absorption measurements except in the region of the 7.45‐V transition. This discrepancy is attributed to a quadrupole transition which occurs in this region.