Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2005-08-08
Proceedings of the XI International Seminar on Interaction of Neutrons with Nuclei, E3-2004-9, Dubna, May 28-31, 2003, pp. 92-
Physics
Nuclear Physics
Nuclear Experiment
6 pages, 3 figures
Scientific paper
Using our early experimental data on the cascade gamma-transitions from the 162Dy(n,2gamma) reaction, we determined dependence of the cascade intensity on the energy of their intermediate levels, and then - level density and radiatibe strength functions which allow precise reproduction of the experimental two-step cascade intensities and total gamma-width. Level density in this nucleus (like in other earlier studied even-odd nuclei) in the interval 1 to 3 MeV is considerably less than that predicted by Fermi-gas model. Enhancement of the radiative strength functions, caused by strong correlations of parameters, most probably, relates with the change in ratio between the quasi-particle and collective component of the wave functions of the cascade intermediate levels in the region of most strong change in their density.
Chol Li
Khitrov V. A.
Sukhovoj A. M.
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