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Authors: J. Blachot and R. De Tourreil
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Analyse par spectrometrie gamma directe des produits de fission de235U

Application a la distribution en masse des produits de fission de232Th par neutrons de 14 MeV

Authors: J. Blachot, L. Carraz, P. Cavallini, E. Monnand and F. Schussler


The γ-spectra of fission products of235U are analysed by a Ge(Li) detector after colling times of 3, 7 and 110 hrs. The possibility of the use of these results is demonstrated for measuring the mass distribution. Some preliminary values for the fission of232Th by 14 MeV neutrons are given.

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Authors: J. Blachot, P. Cavallini, A. Ferrieu and R. Louis


The cumulative yields of 28 isotopes have been measured in the spontaneous fission of252Cf. Measurements were made by Ge(Li) gamma-spectrometry. An average number of neutrons per fission

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was derived from the mass distribution. Using Terrell's method, and with the mass distribution before neutron emission, measured in an other laboratory and with our results, the mass-dependent variation of
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was also deduced.

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