NUCLEAR PHYSICS |
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Momentum-Dependent Symmetry Potential from Nuclear Collective Flows in Heavy Ion Collisions at Intermediate Energies |
XIE Wen-Jie1,2**, FENG Zhao-Qing2 |
1Department of Physics, Yuncheng University, Yuncheng 044000 2Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
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Cite this article: |
XIE Wen-Jie, FENG Zhao-Qing 2015 Chin. Phys. Lett. 32 122502 |
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Abstract Within the isospin-dependent quantum molecular dynamics model, we investigate the nuclear collective flows produced in semi-central 197Au+197Au collisions at intermediate energies. The neutron–proton differential flows and difference of neutron–proton collective flows are sensitive to the momentum-dependent symmetry potential. This sensitivity is less affected by both the isoscalar part of nuclear equation of state and in-medium nucleon–nucleon cross sections. Moreover, this sensitivity becomes pronounced with increasing the rapidity cut.
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Received: 13 September 2015
Published: 05 January 2016
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PACS: |
25.75.Dw
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(Particle and resonance production)
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21.65.-f
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(Nuclear matter)
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21.30.Fe
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(Forces in hadronic systems and effective interactions)
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25.75.Ld
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(Collective flow)
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Abstract
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