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Nuclear matter symmetry energy at 0.03 <= rho/rho(0) <= 0.2

文献类型:期刊论文

作者Wada, R.1,2; Hagel, K.2; Qin, L.2; Natowitz, J. B.2; Ma, Y. G.3; Roepke, G.4; Shlomo, S.2; Bonasera, A.2,5; Typel, S.6; Chen, Z.1,2
刊名PHYSICAL REVIEW C
出版日期2012-06-25
卷号85
ISSN号0556-2813
DOI10.1103/PhysRevC.85.064618
文献子类Article
英文摘要Measurements of the density dependence of the symmetry free energy in low-density clustered matter have been extended using the Neutron Ion Multidetector for Reaction Oriented Dynamics at Texas A&M University. Thermal coalescence models were employed to extract densities rho and temperatures T for evolving systems formed in collisions of 47A MeV Ar-40 + Sn-112, Sn-124 and Zn-64 + Sn-112, Sn-124. Densities of 0.03 <= rho/rho(0) <= 0.2 and temperatures in the range 5-10 MeV have been sampled. The symmetry free energy coefficients are found to be in good agreement with values calculated using a quantum statistical model. Values of the corresponding symmetry free energy coefficient are derived from the data using entropies derived from the model.
WOS关键词HEAVY-ION COLLISIONS ; PARTICLE-EMISSION ; TEMPERATURE ; DENSITY
资助项目The Robert A. Welch Foundation[A0330]
WOS研究方向Physics
语种英语
WOS记录号WOS:000305605600008
出版者AMER PHYSICAL SOC
源URL[http://119.78.100.186/handle/113462/48629]  
专题中国科学院近代物理研究所
通讯作者Wada, R.
作者单位1.Chinese Acad Sci, Inst Modern Phys HIRFL, Lanzhou 730000, Peoples R China
2.Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA
3.Chinese Acad Sci, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China
4.Univ Rostock, FB Phys, D-18051 Rostock, Germany
5.Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy
6.GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
7.Silesia Univ, Inst Phys, PL-40007 Katowice, Poland
8.Univ Padua, Dipartamento Fis, I-35131 Padua, Italy
9.Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
10.Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy
推荐引用方式
GB/T 7714
Wada, R.,Hagel, K.,Qin, L.,et al. Nuclear matter symmetry energy at 0.03 <= rho/rho(0) <= 0.2[J]. PHYSICAL REVIEW C,2012,85.
APA Wada, R..,Hagel, K..,Qin, L..,Natowitz, J. B..,Ma, Y. G..,...&Majka, Z..(2012).Nuclear matter symmetry energy at 0.03 <= rho/rho(0) <= 0.2.PHYSICAL REVIEW C,85.
MLA Wada, R.,et al."Nuclear matter symmetry energy at 0.03 <= rho/rho(0) <= 0.2".PHYSICAL REVIEW C 85(2012).

入库方式: OAI收割

来源:近代物理研究所

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