Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2005-12-16
Phys.Part.Nucl.37:899-922,2006
Physics
Nuclear Physics
Nuclear Experiment
29 pages, 8 figures, 2 tables
Scientific paper
10.1134/S1063779606060049
Level density and radiative strength functions are obtained from the analysis of two-step cascades intensities following the thermal neutrons capture. The data on level density are approximated by the sum of the partial level densities corresponding to n quasiparticles excitation. The most probable values of the collective enhancement factor of the level density are found together with the thresholds of the next Cooper nucleons pair breaking. These data allow one to calculate the level density of practically any nucleus in given spin window in the framework of model concepts, taking into account all known nuclear excitation types. The presence of an approximation results discrepancy with theoretical statements specifies the necessity of rather essentially developing the level density models. It also indicates the possibilities to obtain the essentially new information on nucleon correlation functions of the excited nucleus from the experiment.
Khitrov V. A.
Sukhovoj A. M.
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