Abstract
Hydrogen gas yields from the radiolysis of mixtures of saturated hydrocarbons do not necessartly follow a law of averages (G/sub H2/ = SIGMA electron fraction x G/sub H2(0)/), but may be greater or smaller than the predicted value. This effect is believed to result from a charge exchange occurring on collision between the parent positive ion and a neighboring molecule of lower ionization potential. Subsequent charge neutralization results in the decomposition of a different molecule than that which absorbed energy. Not all molecules which can decompose can transfer energy in this fashion; those which cannot transfer energy are considered to be electronically excited. On the assumption that charge transfer occurs during the inteval between ionization and charge neutralization, it can be determined that the lifelime of the charge pair is about 4 x 10/sup -13/ sec in alkane solvents. (auth)
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