Beta-spectroscopic separation of90Sr,90Y and89Sr with a scintillation detector |
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| Authors: | E I Vapirev P A Grozev L I Botsova A V Hristova |
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| Institution: | (1) Faculty of Physics, Sofia University, 1, Boucher blvd. No. 5, 1126 Sofia, (Bulgaria);(2) Laboratory of Radiology and Toxicology, Agricultural Academy, Sofia, (Bulgaria) |
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| Abstract: | A  -spectroscopic method for measurement of the isotope ratios and absolute activities of90Sr,90Y and89Sr with an organic scintillator is described and tested. The correction factors for absorption in the sample and the detector window are calculated. The method can be used for rapid estimation of ratios and absolute activities of pure -emitters after a nuclear accident.Supported in part by the International Atomic Energy Agency, RC5633 and the National Fund for Scientific Research (Bulgaria). |
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