Nuclear Stopping and Pauli Blocking in Heavy-Ion Reactions near Fermi Energy
Yong-Zhong Xing1** , Xiao-Bin Liu1 , Ying-Long Shi1 , Hong-Fei Zhang1,2 , Yu-Ming Zheng1,3
1 Institute for the Fundamental Physics, Tianshui Normal University, Tianshui 7410002 School of Nuclear Science and Technology, Lanzhou University, Lanzhou 7300003 China Institute of Atomic Energy, Beijing 102413
Abstract :The dissipation phenomenon in the heavy-ion reaction at incident energy near the Fermi energy is studied by simulating the reaction $^{129}$Xe+$^{129}$Sn with the isospin-dependent quantum molecular dynamics model. The calculations involving a proper prescription of implementing the Pauli exclusion principle show that the isotropy ratio measured by free protons emitted in the reaction at energy slightly higher than the Fermi energy is in agreement with the experimental data recently released by the INDRA collaboration. A feasible value of the Pauli-blocking factor is estimated by comparing the theoretical results with the experimental data for the energy range considered here.
收稿日期: 2016-05-10
出版日期: 2016-12-29
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