(n, 2n) reactions in iodate and periodate systems |
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Authors: | J. M. A. De Mendonça A. V. Bellido |
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Affiliation: | (1) Coordenação dos Programas de Pós-Graduação de Engenharia, Universidade Federal do Rio de Janeiro, 21941 Rio de Janeiro, (Brasil);(2) Present address: Instituto de Engenharia Nuclear, Comissão Nacional de Energia Nuclear, C. P. 2186, 20001 Rio de Janeiro, Brasil |
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Abstract: | The chemical consequences of (n,2n) reactions on crystalline sodium iodates and sodium periodates, containing127I or127I+129I, were investigated measuring the initial yields and the post irradiation thermal annealing yields at 90°C for three separated fractions: I+Io, IO3– and IO4–. The results show different effects for each system and neither isotope effect nor qualitative differences on thermal annealing were observed. The influence of the nuclear reaction type, of the hot-atom's nature and of the structural and chemical environment are discussed. |
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