Dynamical Approach for Synthesis of Superheavy Elements: Fusion Mechanism and Nuclear Structure

Y Aritomo ,Nur Liyana ,B Yanagi ,Hiroki Hachikubo

doi:10.29317/ejpfm.2019030301

Abstract

To synthesis of superheavy elements, the shell structure is very important not only in the stability of nuclei, but also the fusion process, especially the cold fusion reaction. We employ the Langevin equation with the microscopic transport coeﬃcients and calculate the fusion cross section for the reaction 70 Zn+ 208 Pb→ 278 Cn. In the dynamical process, the eﬀect of nuclear structure is discussed.

Highlights

More than 50 years ago, the existence of the Island of Stability in the nuclear chart surrounding the doubly magic superheavy nucleus containing 114 protons and 184 neutrons was predicted [1, 2]
It is well known that the stability and the decay properties of superheavy nuclei strongly depends on the shell structure
We use the fluctuation-dissipation model and employ Langevin equations [12] to investigate the dynamics of the fusion process

Summary

Mechanism and Nuclear Structure

To synthesis of superheavy elements, the shell structure is very important in the stability of nuclei, and the fusion process, especially the cold fusion reaction. We employ the Langevin equation with the microscopic transport coefficients and calculate the fusion cross section for the reaction 70 Zn+ 208 Pb → 278 Cn. In the dynamical process, the effect of nuclear structure is discussed.

Introduction

Fusion probability using microscopic transport coefficients

Conclusion