Abstract

Abstract The xenon-sensitized radiolysis of water was investigated in the presence and absence of radical O1, C2H4 H2S) and electron (SF6.H2S. O2) scavengers. The mechanism of the production of hydrogen atoms and molecules from excitation transfer has been proposed. The molecular hydrogen GH2 = 0.4, and hydrogen atom yield GH = 2.9 have been determined. The overall hydrogen yield (GH + GH) = 3.3 has been shown to be equal to the maximum yield of xenon-excited states with some contribution from subexcuted elcctrons. The yield of the higher excited state of xenon. 1P1 has been estimated to be ca. 1.6.

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