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Probing the nuclear symmetry energy with heavy-ion reactions induced by neutron-rich nuclei |
| CHEN Lie-wen1, KO Che Ming2, LI Bao-an3, YONG Gao-chan4 |
| 1.Institute of Theoretical Physics, Shanghai Jiao Tong University, Shanghai 200240, China; Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China; Department of Physics, Texas A&M University-Commerce, Commerce, Texas 75429-3011, USA; 2.Cyclotron Institute and Physics Department, Texas A&M University, College Station, Texas 77843-3366, USA; 3.Department of Physics, Texas A&M University-Commerce, Commerce, Texas 75429-3011, USA; 4.Department of Physics, Texas A&M University-Commerce, Commerce, Texas 75429-3011, USA; Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Graduate School, Chinese Academy of Sciences, Beijing 100039, China; |
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Abstract Heavy-ion reactions induced by neutron-rich nuclei provide a unique means to investigate the equation of state of isospin-asymmetric nuclear matter, especially the density dependence of the nuclear symmetry energy. In particular, recent analyses of the isospin diffusion data in heavy-ion reactions have already put a stringent constraint on the nuclear symmetry energy around the nuclear matter saturation density. We review this exciting result and discuss its implications on nuclear effective interactions and the neutron skin thickness of heavy nuclei. In addition, we also review the theoretical progress on probing the high density behaviors of the nuclear symmetry energy in heavy-ion reactions induced by high energy radioactive beams.
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Issue Date: 05 September 2007
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