From
http://lenr.seplm.ru/articles/…a-aktivnykh-radionuklidov
an interesting article about apparent radioactive decay at unidentfied frequency, with nanoparticle under laser irradiation...
http://www.mathnet.ru/php/arch…rid=16648&option_lang=rus
http://www.mathnet.ru/links/36…f9ac4a014ec66/qe16648.pdf
Translated in English:
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The effect of laser radiation on aqueous solutions of beta-active radionuclides
E. V. Barmina a , A. V. Simakin a , B. I. Stegailov b , C . Tyutyunnikov b , GA Shafeev ac , IA Shcherbakov a
a Prokhorov general physics Institute. A.M. Prokhorov of the Russian Academy of Sciences, Moscow
b Joint Institute for Nuclear Research, Dubna, Moscow Region
c MEPhI National Research Nuclear University, Moscow
Abstract: Experimental results on the effect of pulsed laser irradiation of aqueous solutions of three beta-active nuclides - 234 Th, 231 Th and 137 Cs on their concentration in aqueous solutions are presented. A necessary element of the technique used is the presence in the solution of nanoparticles formed by the interaction of laser radiation with a target placed in a cuvette. The concentration of the radioactive substance was measured before, during and after laser irradiation by the area under the gamma-ray spectral line corresponding to spontaneous gamma-decay. In the case of 234 Th, 231 Th and 137Cs gamma-ray energies are 92, 186 and 661 keV, respectively. It was found that, under laser irradiation, the content of all investigated beta-active nuclides decreases without excessive gamma radiation in the energy range in which their spontaneous decay occurs. This is possible in the case of decay through another channel activated by the interaction of laser radiation with an aqueous solution of nuclides in the presence of nanoparticles.
I cannot judge the content, even less read it in Russian, but maybe someone can raise good and bad points.
It looks like some experiments (Japan with nanosilver, relation with Dennis Letts dual laser, Why not with Vysotskii)