Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV
文献类型：期刊论文
| 作者 | Adam, J.11; Adamczyk, L.3; Adams, J. R.31; Adkins, J. K.23; Agakishiev, G.21; Aggarwal, M. M.33; Ahammed, Z.56; Ajitanand, N. N.44; Alekseev, I19,28; Anderson, D. M.46 |
| 刊名 | PHYSICAL REVIEW C
 |
| 出版日期 | 2018-07-23 |
| 卷号 | 98期号:1页码:10 |
| ISSN号 | 2469-9985 |
| DOI | 10.1103/PhysRevC.98.014910 |
| 通讯作者 | Adam, J.() |
| 英文摘要 | Global polarization of Lambda hyperons has been measured to be of the order of a few tenths of a percentage in Au+Au collisions at root s(NN) = 200 GeV, with no significant difference between Lambda and (Lambda) over bar. These new results reveal the collision energy dependence of the global polarization together with the results previously observed at root s(NN) = 7.7-62.4 GeV and indicate noticeable vorticity of the medium created in noncentral heavy-ion collisions at the highest Relativistic Heavy Ion Collider collision energy. The signal is in rough quantitative agreement with the theoretical predictions from a hydrodynamic model and from a multi-phase transport model. The polarization is larger in more peripheral collisions, and depends weakly on the hyperon's transverse momentum and pseudorapidity eta(H) within vertical bar eta(H)vertical bar < 1. An indication of the polarization dependence on the event-by-event charge asymmetry is observed at the 2 sigma level, suggesting a possible contribution to the polarization from the axial current induced by the initial magnetic field. |
| WOS关键词 | RELATIVISTIC NUCLEAR COLLISIONS ; HEAVY-ION COLLISIONS ; FLOW ; DETECTOR |
| 资助项目 | RHIC Operation Group at BNL ; RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; National Natural Science Foundation of China ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; National Research Foundation of Korea ; Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic ; Department of Atomic Energy of the Government of India ; Department of Science and Technology of the Government of India ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia ; German Bundesministerium fur Bildung, Wissenschaft, Forschung and Technologie (BMBF) ; Helmholtz Association |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000439413100007 |
| 资助机构 | RHIC Operation Group at BNL ; RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; National Natural Science Foundation of China ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; National Research Foundation of Korea ; Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic ; Department of Atomic Energy of the Government of India ; Department of Science and Technology of the Government of India ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia ; German Bundesministerium fur Bildung, Wissenschaft, Forschung and Technologie (BMBF) ; Helmholtz Association |
| 源URL | [http://119.78.100.186/handle/113462/141128]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Adam, J. |
| 作者单位 | 1.Lehigh Univ, Bethlehem, PA 18015 USA 2.Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany 3.AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland 4.Argonne Natl Lab, Argonne, IL 60439 USA 5.Brookhaven Natl Lab, Upton, NY 11973 USA 6.Univ Calif Berkeley, Berkeley, CA 94720 USA 7.Univ Calif Davis, Davis, CA 95616 USA 8.Univ Calif Los Angeles, Los Angeles, CA 90095 USA 9.Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China 10.Univ Illinois, Chicago, IL 60607 USA |
| 推荐引用方式 GB/T 7714 | Adam, J.,Adamczyk, L.,Adams, J. R.,et al. Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV[J]. PHYSICAL REVIEW C,2018,98(1):10. |
| APA | Adam, J..,Adamczyk, L..,Adams, J. R..,Adkins, J. K..,Agakishiev, G..,...&Zyzak, M..(2018).Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV.PHYSICAL REVIEW C,98(1),10. |
| MLA | Adam, J.,et al."Global polarization of Lambda hyperons in Au plus Au collisions at root s(NN)=200 GeV".PHYSICAL REVIEW C 98.1(2018):10. |
入库方式： OAI收割
来源：近代物理研究所
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