Dynamical calculation of multi-modal nuclear fission of fermium isotopes

Abstract

The multi-modal fission of fermium nuclei is dynamically investignated. The multi-dimensional Langevin equation is used for the dynamical calculation. We use the potential energy taking account of the microscopic energy which depends on the excitation energy. We calculate the mass distribution and the total kinetic energy (TKE) distribution for 256Fm. We study the excitation energy dependence of the mass and TKE distributions. We find that the excitation energy dependence comes from the change in the contribution of each fission mode.