Abstract
The recoil-atom ionization of some isotopes from Sc to Po produced by heavy ioninduced nuclear reactions has been investigated. An analysis of the available data on the ionic charge distributions of nuclear reaction products has shown that atomic ionization in the mass range ofA~ 40–70 corresponds to the calculated values. It has been found that the contribution from additional ionization due to the formation of inner-shell vacancies as a result of the internal conversion of nuclear transitions grows as the atomic number and excitation energy of nuclei increase and reaches 90% for Po recoil atoms from fusion reactions.
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The authors express their appreciation to Academicians G.N. Flerov and O.F. Nemets for giving the possibility of carrying out this work, and Professor Yu.Ts. Oganessian for his attention and interest in this study.
Thanks are also due to G.V. Rublenko and I.I. Shton' for their help in performing experiments and data processing.
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Skobelev, N.K., Maidikov, V.Z. & Surovitskaya, N.T. Some features of the ionization of nuclear reaction products. Z Physik A 314, 5–7 (1983). https://doi.org/10.1007/BF01411822
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DOI: https://doi.org/10.1007/BF01411822