The radiation-induced decomposition of acetylene in solid xenon under the action of fast electrons (absorbed dose: 80 kGy) (a) and x rays (60 min irradiation) (b) as revealed by IR spectroscopy.
EPR spectra of the system C2H2/136Xe = 1/2000 irradiated with fast electrons before and after annealing. The well-resolved signals from ethynyl radicals and vinyl radicals (after annealing) are clearly seen. A narrow doublet with very large splitting disappearing upon annealing is due to interstitially trapped H atoms in a 136Xe matrix (see Refs. 36 and 37 for details).
The annealing-induced formation of the HXeȮ radical after irradiation of water in solid xenon (H2O/Xe = 1/2000).
Effect of x-ray irradiation and subsequent annealing on the IR spectra of HBr/N2O/Xe system (2/1/1500). The vertical arrow indicates the position of absorption from HXeȮ (see text for details).
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