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Understanding transport simulations of heavy-ion collisions at 100A and 400A MeV: Comparison of heavy-ion transport codes under controlled conditions

文献类型：期刊论文

作者Xu, Jun1; Chen, Lie-Wen2,3; Tsang, ManYee Betty4,5; Wolter, Hermann6; Zhang, Ying-Xun7; Aichelin, Joerg8; Colonna, Maria9; Cozma, Dan10; Danielewicz, Pawel; Feng, Zhao-Qing11
刊名PHYSICAL REVIEW C
出版日期2016-04-15
卷号93页码:20
ISSN号2469-9985
DOI10.1103/PhysRevC.93.044609
英文摘要Transport simulations are very valuable for extracting physics information from heavy-ion-collision experiments. With the emergence of many different transport codes in recent years, it becomes important to estimate their robustness in extracting physics information from experiments. We report on the results of a transport-code-comparison project. Eighteen commonly used transport codes were included in this comparison: nine Boltzmann-Uehling-Uhlenbeck-type codes and nine quantum-molecular-dynamics-type codes. These codes have been asked to simulate Au + Au collisions using the same physics input for mean fields and for in-medium nucleon-nucleon cross sections, as well as the same impact parameter, the similar initialization setup, and other calculational parameters at 100 A and 400 A MeV incident energy. Among the codes we compare one-body observables such as rapidity and transverse flow distributions. We also monitor nonobservables such as the initialization of the internal states of colliding nuclei and their stability, the collision rates, and the Pauli blocking. We find that not completely identical initializations may have contributed partly to different evolutions. Different strategies to determine the collision probabilities and to enforce the Pauli blocking also produce considerably different results. There is a substantial spread in the predictions for the observables, which is much smaller at the higher incident energy. We quantify the uncertainties in the collective flow resulting from the simulation alone as about 30% at 100 A MeV and 13% at 400 A MeV, respectively. We propose further steps within the code comparison project to test the different aspects of transport simulations in a box calculation of infinite nuclear matter. This should, in particular, improve the robustness of transport model predictions at lower incident energies, where abundant amounts of data are available.
WOS关键词BOLTZMANN-LANGEVIN APPROACH ; QUANTUM MOLECULAR-DYNAMICS ; UEHLING-UHLENBECK APPROACH ; MEAN FIELD-DYNAMICS ; EQUATION-OF-STATE ; ONE-BODY DYNAMICS ; NUCLEAR-EQUATION ; SYMMETRY ENERGY ; INTERMEDIATE ENERGIES ; MICROSCOPIC MODELS
资助项目Major State Basic Research Development Program (973 Program) of China[2015CB856904] ; Major State Basic Research Development Program (973 Program) of China[2014CB845401] ; National Natural Science Foundation of China[11475243] ; National Natural Science Foundation of China[11421505] ; National Natural Science Foundation of China[11275125] ; National Natural Science Foundation of China[11135011] ; National Natural Science Foundation of China[11475262] ; National Natural Science Foundation of China[11320101004] ; National Natural Science Foundation of China[11505057] ; National Natural Science Foundation of China[11547312] ; National Natural Science Foundation of China[11375062] ; National Natural Science Foundation of China[11205230] ; National Natural Science Foundation of China[11025524] ; National Natural Science Foundation of China[11161130520] ; "100-Talent Plan" of Shanghai Institute of Applied Physics from the Chinese Academy of Sciences[Y290061011] ; "100-Talent Plan" of Shanghai Institute of Applied Physics from the Chinese Academy of Sciences[Y526011011] ; Shanghai Key Laboratory of Particle Physics and Cosmology[15DZ2272100] ; Shanghai Pujiang Program[13PJ1410600] ; Major State Basic Research Development Program (973 Program) in China[2015CB856904] ; Major State Basic Research Development Program (973 Program) in China[2013CB834405] ; "Shu Guang" project - Shanghai Municipal Education Commission ; Shanghai Education Development Foundation ; Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning ; Science and Technology Commission of Shanghai Municipality[11DZ2260700] ; USA National Science Foundation[PHY-1102511] ; USA National Science Foundation[PHY-1403906] ; US Department of Energy[DE-FG02-13ER42025] ; DFG Cluster of Excellence Origin and Structure of the Universe, Germany ; National Key Basic Research Development Program of China[2013CB834404] ; Rare Isotope Science Project of Institute for Basic Science - Ministry of Science, ICT and Future Planning ; National Research Foundation of Korea[2013M7A1A1075764] ; Welch Foundation[A-1358] ; U.S. National Science Foundation[PHY-1068022] ; U.S. Department of Energy's Office of Science[DE-SC0013702] ; Japan Society for the Promotion of Science KAKENHI[24105008] ; National Basic Research Program of China[2010CB832903] ; European Commission's 7th Framework Programme (FP7-PEOPLE-IRSES)[269131]
WOS研究方向Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000374297900004
资助机构Major State Basic Research Development Program (973 Program) of China ; National Natural Science Foundation of China ; "100-Talent Plan" of Shanghai Institute of Applied Physics from the Chinese Academy of Sciences ; Shanghai Key Laboratory of Particle Physics and Cosmology ; Shanghai Pujiang Program ; Major State Basic Research Development Program (973 Program) in China ; "Shu Guang" project - Shanghai Municipal Education Commission ; Shanghai Education Development Foundation ; Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning ; Science and Technology Commission of Shanghai Municipality ; USA National Science Foundation ; US Department of Energy ; DFG Cluster of Excellence Origin and Structure of the Universe, Germany ; National Key Basic Research Development Program of China ; Rare Isotope Science Project of Institute for Basic Science - Ministry of Science, ICT and Future Planning ; National Research Foundation of Korea ; Welch Foundation ; U.S. National Science Foundation ; U.S. Department of Energy's Office of Science ; Japan Society for the Promotion of Science KAKENHI ; National Basic Research Program of China ; European Commission's 7th Framework Programme (FP7-PEOPLE-IRSES)
源URL[http://119.78.100.186/handle/113462/42440]  
专题中国科学院近代物理研究所
通讯作者Xu, Jun; Chen, Lie-Wen; Tsang, ManYee Betty; Wolter, Hermann; Zhang, Ying-Xun
作者单位1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China
3.Shanghai Jiao Tong Univ, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China
4.Michigan State Univ, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA
5.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
6.Univ Munich, Fak Phys, D-85748 Garching, Germany
7.China Inst Atom Energy, Beijing 102413, Peoples R China
8.Univ Nantes, SUBATECH, UMR 6457, Ecole Mines Nantes,IN2P3,CNRS, F-44035 Nantes, France
9.INFN LNS, Lab Nazl Sud, I-95123 Catania, Italy
10.IFIN HH, Reactorului 30, Magurele 077125, Romania
推荐引用方式
GB/T 7714		 Xu, Jun,Chen, Lie-Wen,Tsang, ManYee Betty,et al. Understanding transport simulations of heavy-ion collisions at 100A and 400A MeV: Comparison of heavy-ion transport codes under controlled conditions[J]. PHYSICAL REVIEW C,2016,93:20.
APA Xu, Jun.,Chen, Lie-Wen.,Tsang, ManYee Betty.,Wolter, Hermann.,Zhang, Ying-Xun.,...&Zhang, Guo-Qiang.(2016).Understanding transport simulations of heavy-ion collisions at 100A and 400A MeV: Comparison of heavy-ion transport codes under controlled conditions.PHYSICAL REVIEW C,93,20.
MLA Xu, Jun,et al."Understanding transport simulations of heavy-ion collisions at 100A and 400A MeV: Comparison of heavy-ion transport codes under controlled conditions".PHYSICAL REVIEW C 93(2016):20.

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来源：近代物理研究所

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