Abstract
Experimental data are presented on the laser-induced beta decay of caesium-137. We demonstrate that the exposure of a gold target to a copper vapour laser beam (wavelengths of 510.6 and , pulse duration of ) for in an aqueous solution of a caesium-137 salt reduces the caesium-137 activity by 70 %, as assessed from the gamma activity of the daughter nucleus , and discuss potential applications of laser-induced caesium-137 decay in radioactive waste disposal.
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