Abstract
The crystal blocking technique has been used to measure the total time of the induced fission process for the 235U + α reaction in the energy rage of bombarding α-particles from 25.9 to 31.2 MeV. The experimental fission lifetimes observed in this reaction vary from 10−17 to 10−16 s, depending on the projectile energy. The experimental data (along with the corresponding data on the angular anisotropy and fissionability of Pu isotopes produced in the investigated reaction) have been analyzed within the dynamic-statistical approach with allowance for the nuclear dissipation phenomenon and the double-humped fission barrier model. It is demonstrated that the time of induced fission reaction at low excitation energies is sensitive to the nuclear viscosity.
Published Version
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