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Information × Registration Number 0220U103702, 0115U005157 , R & D reports Title Structure of atomic nuclei in complicated nonequilibrium processes popup.stage_title Head Ivanyuk Fedir O., Доктор фізико-математичних наук Registration Date 08-11-2020 Organization Institute of Nuclear Research of the National Academy of Sciences of Ukraine popup.description2  The new statistical interpretation of the collective states in rare-earth and actinide nuclei is suggested and the analysis of the distances between the neighboring energies of excited states is carried out. The experimental data for the excitation energies in strongly deformed nucleus Gd-158 were obtained from the two-neutrons transfer reactions for the angular moments 0+ , 2+ and 4+. For the distribution of distances between the neighboring energy levels the new approximation of Wigner-Dyson theory is used, that makes it possible to describe the Wigner (chaotic) and Poisson (regular) contributions by one parameter. It is shown that with increasing angular moment of actinide nuclei the distribution of distances approaches the Poisson distribution. For the fixed projection of angular moment of collective state the distribution of distances tends to the Wigner distribution, what is explained by the violation of axial symmetry of nuclei. Product Description popup.authors Abrosimov Valerii I. Gorpinchenko Dmytro V Grygoriev Ustym V. Krivenko_Emetov Yaroslav D. Lukyanov Sergii V. Magner Oleksandr H. Radionov Sergii V. Sanzhur Andrii I. Fedotkin Sergii M. Sharopova Olena M. popup.nrat_date 2020-11-08 Close