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The possibility of photo-transmutation of long-lived nuclide Cs135 by ultrashort ultraintense laser was analytically evaluated. The yield of Cs135(γ,n) Cs134 was strongly dependent on the laser intensity at around 1020W∕cm2. If Cs135 were irradiated by such a laser with the intensity of 1021W∕cm2 and 10 Hz for 30 min, characteristic γ-ray counting rate was estimated to be 3 Bq.
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Takashima et al. (2004) studied this question.
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