Abstract:
Generalized formulae for the determination of independent yields of radioactive nuclei forming in the targets via activation method are obtained. Various channels of isotopes formations are considered: immediately as a result of the reaction in the target and as products of the precursor decay. Certain cross sections of fission fragments, which are the result of the $\gamma^{_+{238}}U$ reaction under the bremsstrahlung maximal energy, are determined.
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