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基于同位旋和动量依赖的强子输运模型IBUU04,研究了132Sn+124Sn在三种不同碰撞能量、两种不同对称能作用下,中_质微分流随快度的变化关系.发现中_质微分流的强度随碰撞能量的增大而增强.在碰撞能量为400MeV每核子时,中_质微分流对对称能最为敏感.
Based on the isomerization and momentum-dependent hadronic transport model IBUU04, we studied the relationship between 132Sn + 124Sn and fast differential velocity under three different collision energies and two different symmetric energies. The intensity of the differential flow increases with the increase of the collision energy, which is most sensitive to the symmetry energy at a collision energy of 400 MeV per nucleon.