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	Circumstantial Evidence for a Soft Nuclear Symmetry Energy at Suprasaturation Densities
	Xiao, Zhigang ; Li, Bao-An ; Chen, Lie-Wen ; Yong, Gao-Chan ; Zhang, Ming
	2010-10-12 ; 2010-10-12
关键词	HEAVY-ION COLLISIONS NEUTRON-STAR DENSITIES EQUATION-OF-STATE DENSE MATTER SKYRME PARAMETRIZATION INTERMEDIATE ENERGIES ISOSPIN PHYSICS PION-PRODUCTION RICH NUCLEI BEHAVIOR Physics, Multidisciplinary
中文摘要	Within an isospin- and momentum-dependent hadronic transport model, it is shown that the recent FOPI data on the pi(-)/pi(+) ratio in central heavy-ion collisions at SIS/GSI energies [Willy Reisdorf , Nucl. Phys. A 781, 459 (2007)] provide circumstantial evidence suggesting a rather soft nuclear symmetry energy E-sym(rho) at rho >= 2 rho(0) compared to the Akmal-Pandharipande-Ravenhall prediction. Some astrophysical implications and the need for further experimental confirmations are discussed.
语种	英语 ; 英语
出版者	AMER PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/81604]
专题	清华大学
推荐引用方式 GB/T 7714	Xiao, Zhigang,Li, Bao-An,Chen, Lie-Wen,et al. Circumstantial Evidence for a Soft Nuclear Symmetry Energy at Suprasaturation Densities[J],2010, 2010.
APA	Xiao, Zhigang,Li, Bao-An,Chen, Lie-Wen,Yong, Gao-Chan,&Zhang, Ming.(2010).Circumstantial Evidence for a Soft Nuclear Symmetry Energy at Suprasaturation Densities..
MLA	Xiao, Zhigang,et al."Circumstantial Evidence for a Soft Nuclear Symmetry Energy at Suprasaturation Densities".(2010).

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