%A DE Love %A KD Jordan %J Journal of Physical Chemistry A %T Near-Threshold Electron-Impact Excitation of the Low-Lying Rydberg States of Ethylene %X Excitation functions for the 3B3u ? ? 3s and 3B1g and 1Ag ? ? 3p Rydberg states of ethylene have been measured and found to display structure due to the decay of core-excited anion states. Evidence is also provided that the ?-1(3s)2 anion state undergoes significant decay to the ? ? ?* singlet state in highly twisted configurations. %N 29 %P 5667 - 5670 %V 103 %D 1999 %R 10.1021/jp990509k %L pittir17949