Fission Dynamics Studies of Near Super-heavy Compound Nucleus $^{256}$Rf

Abstract

To understand the fission dynamics of 256 Rf, we performed neutron multiplicity measurements for the reaction 48 Ti+ 208 Pb at an excitation energy of 57.4 MeV. The results confirmed the presence of quasi-fission processes in this system. The experimental neutron multiplicities have also been compared with the theoretical predictions from statistical model calculations. From this comparison, the value of reduced dissipation strength for the 256 Rf nucleus is found to be (7.6 ± 0.7) × 10 21 s −1 and a fission delay time of (39.6 +4.6 −4.1) × 10 −21 s has been estimated.