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| Energy and system-size dependence of two- and four-particle nu(2) measurements in heavy-ion collisions at root S-NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow | |
| Agakishiev, G; Aggarwal, MM; Cai, XZ(蔡翔舟）; Chen, JH（陈金辉）; Han, LX; Jin, F; Li, W; Ma, GL（马国亮）; Ma, YG（马余刚）; Tian,J（田健）; Zhang, S（张松）; Zhao, J; Zhong, C（钟晨）; Zhu, YH; Zoulkarneeva, Y; Xue, L（薛亮） | |
| 2012 | |
| Source Publication | PHYSICAL REVIEW C
 |
| ISSN | 0556-2813 |
| Volume | 86Issue:1 |
| Abstract | We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants nu(2) (nu(2){2} and nu(2){4}) for Au + Au and Cu + Cu collisions at center-of-mass energies root S-NN = 62.4 and 200 GeV. The difference between nu(2){2}(2) and nu(2){4}(2) is related to nu(2) fluctuations (sigma(nu 2)) and nonflow (delta(2)). We present an upper limit to sigma(nu 2)/nu 2. Following the assumption that eccentricity fluctuations sigma(epsilon) dominate nu(2) fluctuations nu(2)/sigma nu(2) approximate to epsilon/sigma epsilon we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with nu(2){2} and nu(2){4}. We also present results on the ratio of nu(2) to eccentricity. |
| Language | 英语 |
| Funding Project | 应物所项目组 |
| WOS ID | WOS:000306316700006 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.sinap.ac.cn/handle/331007/13150 |
| Collection | 中科院上海应用物理研究所2011-2020年 |
| Recommended Citation GB/T 7714 | Agakishiev, G,Aggarwal, MM,Cai, XZ,et al. Energy and system-size dependence of two- and four-particle nu(2) measurements in heavy-ion collisions at root S-NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow[J]. PHYSICAL REVIEW C,2012,86(1). |
| APA | Agakishiev, G.,Aggarwal, MM.,Cai, XZ.,Chen, JH.,Han, LX.,...&Xue, L.(2012).Energy and system-size dependence of two- and four-particle nu(2) measurements in heavy-ion collisions at root S-NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow.PHYSICAL REVIEW C,86(1). |
| MLA | Agakishiev, G,et al."Energy and system-size dependence of two- and four-particle nu(2) measurements in heavy-ion collisions at root S-NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow".PHYSICAL REVIEW C 86.1(2012). |
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