  Up to now, level density for some nuclei (close to construction materials of
nuclear reactors with respect to their mass) was determined only from the
evaporation nucleon spectra. All its energy dependences obtained are smooth
enough functions and are usually reproduced in the frameworks of generalized
model of the superfluid nucleus with the use of the phase transition energy of
infinite and homogeneous macrosystem. The same data obtained from
59Co(n,2gamma) reaction demonstrate the presence of two clearly expressed
step-like structures. This fact corresponds to the analogous data for other
nuclei studied in the same way. Level density and radiative strength functions
derived from two-step cascade intensities provide more precise reproduction of
the total gamma-spectrum than conventional nuclear models.
