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Event-plane-dependent dihadron correlations with harmonic v(n) subtraction in Au plus Au collisions at v root sNN=200 GeV

文献类型:期刊论文

作者Agakishiev, H.17; Aggarwal, M. M.30; Ahammed, Z.21; Alakhverdyants, A. V.17; Alekseev, I.15; Alford, J.3,18; Anderson, B. D.18; Anson, C. D.28; Arkhipkin, D.2; Averichev, G. S.17
刊名PHYSICAL REVIEW C
出版日期2014-04-18
卷号89
ISSN号0556-2813
DOI10.1103/PhysRevC.89.041901
文献子类Article
英文摘要STAR measurements of dihadron azimuthal correlations (Lambda phi) are reported in midcentral (20-60%) Au + Au collisions at v root sNN = 200 GeV as a function of the trigger particle's azimuthal angle relative to the event plane, phi(s) = | phi(1) -psi(EP)|. The elliptic (v(2)), triangular (v(3)), and quadratic (v(4)) flow harmonic backgrounds are subtracted using the zero yield at mini + Au collisions. It is found that a finite near-side (| Delta phi | < pi/2) long-range pseudorapidity correlation (ridge) is present in the in-plane direction (phi(s) similar to 0). The away-side (| Delta phi | > pi/2) correlation shows a modification from d+ Au data, varying with fs. The modification may be a consequence of path-length-dependent jet quenching and may lead to a better understanding of high-density QCD.
WOS关键词RELATIVISTIC NUCLEAR COLLISIONS ; QUARK-GLUON PLASMA ; ANISOTROPIC FLOW ; COLLABORATION ; PERSPECTIVE
资助项目DFG cluster of excellence 'Origin and Structure of the Universe' of Germany[CNRS/IN2P3]
WOS研究方向Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000335233400001
源URL[http://119.78.100.186/handle/113462/49525]  
专题中国科学院近代物理研究所
通讯作者Agakishiev, H.
作者单位1.Argonne Natl Lab, Argonne, IL 60439 USA
2.Brookhaven Natl Lab, Upton, NY 11973 USA
3.Univ Calif Berkeley, Berkeley, CA 94720 USA
4.Univ Calif Davis, Davis, CA 95616 USA
5.Univ Calif Los Angeles, Los Angeles, CA 90095 USA
6.Univ Estadual Campinas, Sao Paulo, Brazil
7.Univ Illinois, Chicago, IL 60607 USA
8.Creighton Univ, Omaha, NE 68178 USA
9.Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague, Czech Republic
10.Acad Sci Czech Republic, Inst Nucl Phys, CZ-25068 Rez, Czech Republic
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Agakishiev, H.,Aggarwal, M. M.,Ahammed, Z.,et al. Event-plane-dependent dihadron correlations with harmonic v(n) subtraction in Au plus Au collisions at v root sNN=200 GeV[J]. PHYSICAL REVIEW C,2014,89.
APA Agakishiev, H..,Aggarwal, M. M..,Ahammed, Z..,Alakhverdyants, A. V..,Alekseev, I..,...&STAR Collaboration.(2014).Event-plane-dependent dihadron correlations with harmonic v(n) subtraction in Au plus Au collisions at v root sNN=200 GeV.PHYSICAL REVIEW C,89.
MLA Agakishiev, H.,et al."Event-plane-dependent dihadron correlations with harmonic v(n) subtraction in Au plus Au collisions at v root sNN=200 GeV".PHYSICAL REVIEW C 89(2014).

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来源:近代物理研究所

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