An Improved Quantum Molecular Dynamics Model and its Applications to Fusion Reaction near Barrier
Ning Wang, Zhuxia Li, Xizhen Wu
Abstract
An improved Quantum Molecular Dynamics model is proposed. By using this model, the properties of ground state of nuclei from 6Li to 208Pb can be described very well with one set of parameters. The fusion reactions for 40Ca+90Zr, 40Ca+96Zr and 48Ca+90Zr at energy near barrier are studied by this model. The experimental data of the fusion cross sections for 40Ca+90,96Zr at the energy near barrier can be reproduced remarkably well without introducing any new parameters. The mechanism for the enhancement of fusion probability for fusion reactions with neutron-rich projectile or target is analyzed.
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