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Nuclear Physics (Theory)

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Physics
DOI: 10.54546/NaturalSciRev.100703

Giant dipole resonance and related spin-dependent excitations

The time-dependent Hartree–Fock equation is solved by the Wigner function moments method taking into account spin degrees of freedom. Energies and reduced transition probabilities of K π = 0 − , 1 − and 2 − excitations are calculated taking 164 Dy as an example. The spin degrees of freedom give rise to the electric spin dipole resonance. Its properties and interplay with the giant dipole resonance are investigated. The deformation-induced splitting of the spin M2 resonance is discussed. The results of calculations are compared with the experimental data and other theoretical studies.
E. B. Balbutsev, I. V. Molodtsova
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Physics
DOI: 10.54546/NaturalSciRev.100701

Nucleus scattering on 12C and 27Al targets in the complete Glauber theory

The straightforward calculations of the nucleus–nucleus scattering cross sections are carried out in Glauber approach using the generating function method. It allows for the resummation of all orders of Glauber theory. The results are obtained for a number of light nuclei isotopes scattering on 12 C and 27 Al targets. Their radii, extracted by comparing the calculated cross sections with the experimental ones, are presented.
Yu. M. Shabelski, A. G. Shuvaev
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Physics
DOI: 10.54546/NaturalSciRev.100302

Bogoliubov method in description of nuclear rotation

The problem of identifying and extracting the dynamic variables associated with symmetry transformations from the full set of dynamic variables is considered. It is demonstrated that employing a boson representation of bifermion operators enables the problem to be solved using the canonical transformation of dynamic variables proposed by N. N. Bogoliubov. The results obtained justify the application of the cranking model for the description of the rotational excitations of nuclei.
R. V. Jolos, E. A. Kolganova