Probing the density dependence of the symmetry potential with peripheral heavy-ion collisions
Yingxun Zhang, Zhuxia Li
Abstract
The peripheral heavy-ion collisions of 112, 124Sn+ 86Kr at Eb= 25AMeV are studied by means of the Improved Quantum Molecular Dynamics Model(ImQMD). It is shown that the slope of the average N/Z ratio of emitted nucleons vs impact parameters for these reactions is very sensitive to the density dependence of the symmetry energy. Our study also shows that the yields of 3H and 3He decrease with impact parameters and slope of the yield of 3H vs impact parameters as well as the ratio of Y(3H)/Y(3He) depend on the symmetry potential strongly for peripheral heavy-ion collisions.
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