Effects of isospin dynamics on neck fragmentation in isotopic nuclear reactions

doi:http://dx.doi.org/10.1103/PhysRevC.94.014609

ITP OpenIR > 理论物理所SCI论文

	Effects of isospin dynamics on neck fragmentation in isotopic nuclear reactions
	Feng, ZQ; Feng, ZQ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.; Feng, ZQ (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China.
	2016
发表期刊	PHYSICAL REVIEW C
卷号	94 期号:1 页码:14609
文章类型	Article
摘要	The neck dynamics in Fermi-energy heavy-ion collisions, to probe the nuclear symmetry energy in the domain of subsaturation densities, is investigated within an isospin-dependent transport model. The single and double ratios of neutrons to protons from free nucleons and light clusters (complex particles) in the isotopic reactions are analyzed systematically. Isospin effects of particles produced from the neck fragmentations are explored. It is found that the ratios of the energetic isospin particles strongly depend on the stiffness of the nuclear symmetry energy and the effects increase with softening of the symmetry energy, which would be a nice probe for extracting the symmetry energy below the normal density in experiments. A flat structure appears at the tail spectra from the double ratio distributions. The neutron to proton ratio of light intermediate-mass fragments with charge number Z <= 8 is related to the density dependence of the symmetry energy with less sensitivity in comparison to the isospin ratios of nucleons and light particles.
学科领域	Physics
资助者	Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
DOI	http://dx.doi.org/10.1103/PhysRevC.94.014609
关键词[WOS]	GAS PHASE-TRANSITION ; HEAVY-ION COLLISIONS ; SYMMETRY ENERGY ; EMISSION ; DEPENDENCE ; NEUTRON ; PROTON ; PROBE
收录类别	SCI
语种	英语
资助者	Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; Major State Basic Research Development Program in China [2015CB856903] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; National Natural Science Foundation of China [11175218, U1332207] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS类目	Physics, Nuclear
引用统计
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/21589
专题	理论物理所SCI论文
通讯作者	Feng, ZQ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.; Feng, ZQ (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式 GB/T 7714	Feng, ZQ,Feng, ZQ ,Feng, ZQ . Effects of isospin dynamics on neck fragmentation in isotopic nuclear reactions[J]. PHYSICAL REVIEW C,2016,94(1):14609.
APA	Feng, ZQ,Feng, ZQ ,&Feng, ZQ .(2016).Effects of isospin dynamics on neck fragmentation in isotopic nuclear reactions.PHYSICAL REVIEW C,94(1),14609.
MLA	Feng, ZQ,et al."Effects of isospin dynamics on neck fragmentation in isotopic nuclear reactions".PHYSICAL REVIEW C 94.1(2016):14609.

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