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8–12 Oct 2019
华中师范大学
Asia/Shanghai timezone

核子有效质量劈裂对重离子碰撞中椭圆流的影响

9 Oct 2019, 18:00
1h
科学会堂 (华中师范大学)

科学会堂

华中师范大学

武汉
S5分会场:Poster S5: Poster分会场

Speaker

Mr LuYao Tong (School of Science, Huzhou Teachers College, Huzhou 313000, China)

Description

在核介质中核子的有效质量随核介质密度、动量及同位旋的变化情况是人们关心的话题。重离子碰撞可以用来研究核介质中核子的有效质量。本报告在极端相对论量子分子动力学(UrQMD)模型中引入了同位旋依赖的动量相关势,研究了入射能量为每核子0.09 GeV到1.5 GeV的金金碰撞中的集体流。计算结果能够很好的再现最新的FOPI合作组的关于质子的椭圆流随入射能量变化的实验数据。同时发现随着入射能量的增高,核子有效质量的劈裂(中子有效质量和质子有效质量之差)对于质子中子的椭圆流差的影响逐渐减小。相比于对称能的影响,核子有效质量劈裂对于质子中子的椭圆流差的影响较小。
Abstract Type Poster

Primary author

Mr LuYao Tong (School of Science, Huzhou Teachers College, Huzhou 313000, China)

Co-authors

Prof. QingFeng Li (School of Science, Huzhou Teachers College, Huzhou 313000, China) Mr Yongjia Wang (School of Science, Huzhou Teachers College, Huzhou 313000, China)

Presentation materials

There are no materials yet.