Chinese Physics C > 2007, Vol. 31 > Issue(12): 1133-1136

Eccentricities of Flow-Elliptic Flow Fluctuations and Evidence for Transverse Localization in the Initial State of the Matter in Relativistic Heavy Ion Collisions

Physics Division, Argonne National Laboratory, Argonne, IL 60439-4843, USA2 Chemistry and C-A Departments, Brookhaven National Laboratory,Upton, NY 11973-5000, USA3 Institute of Nuclear Physics PAN,Krakow, Poland4 Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA5 Department of Physics, National Central University, Chung-Li6 Department of Physics, University of Illinois at Chicago, Chicago, IL 60607-7059, USA7 Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA8 Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA

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Abstract：
Recent measurements of event-by-event elliptic flow in Au+Au collisions at s _NN=200GeV exhibit large relative fluctuations of about 40%—50%. The data are well described by fluctuations in the shape of the initial collision region, as estimated event-by-event with the participant eccentricity using Glauber Monte Carlo. These results, combined with the demonstrated participant eccentricity scaling of the elliptic flow across nuclear species, constitute evidence of transverse granularity in the initial matter production in these collisions.

References

[1]

. Manly S et al. (PHOBOS). NPA, 2006, 774: 523-5262. Alver B et al. (PHOBOS). Submitted to PRL, 2006, nucl-ex/06100373. Alver B et al. (PHOBOS). 2006, nucl-ex/06080254. Loizides C et al. (PHOBOS). 2006, nucl-ex/07010495. Back B B et al. (PHOBOS). NPA, 2005, 757: 286. Back B B et al. (PHOBOS). PRC, 2005, 72: 051901(R)7. Sorensen P et al. (STAR). 2006, nucl-ex/06120218. Ollitrault J Y. PRD, 1992, 46: 229

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[6]	MA Guo-Liang,MA Yu-Gang,SA Ben-Hao,WANG Kun,CAI Xiang-Zhou,WEI Yi-Bin,ZHANG Hu-Yong,LU Zhao-Hui,ZHONG Chen,CHEN Jin-Gen,LONG Jia-Li,HE Ze-Jun,SHEN Wen-Qing. Temperature Fluctuation and Heat Capacity in Relativistic Heavy-Ion Collisions. Chinese Physics C, 2004, 28(4): 398-402.
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[10]	ZHENG Yu-Ming,CHU Zi-Li,Fuchs Christian,Faessler Amand,XIAO Wu,HUA Da-Ping. Kaon Flow in Heavy-Ion Collisions. Chinese Physics C, 2002, 26(S1): 77-81.
[11]	ZHANG Hu-Yong,MA Yu-Gang,YU Li-Ping,SHEN Wen-Qing,CAI Xiang-Zhou,FANG De-Qing,HU Peng-Yun,ZHONG Chen,HAN Ding-Ding. Directed and Elliptic Flow in Heavy Ion Collisions. Chinese Physics C, 2001, 25(12): 1184-1190.
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[13]	Zhang Weigang. Correlative Degree and Collective Sideward Flow of Final State Particles in High Energy Heavy Ion Collisions. Chinese Physics C, 1999, 23(4): 367-374.
[14]	Li Qingfeng,Li Zhuxia. Kaon Production and Flow in Relativistic Heavy-Ion Collisions. Chinese Physics C, 1998, 22(12): 1119-1127.
[15]	Zeng Xianghua,Ge Lingxiao. Thermalization,Expansion and Radial Flow in HIC. Chinese Physics C, 1997, 21(2): 157-161.
[16]	YANG Fu-Zhong,LIU Jian-Ye. Impact Parameter and Bombarding Energy Dependence of Collective Flow in the Dynamics Process of Intermediate High Energy Heavy Ion Collision. Chinese Physics C, 1992, 16(8): 749-753.
[17]	ZHU Yun-Lun,ZHAO Wei-Qin,GAO Chong-Shou. Effect of Secondary Collisions on the K⁺/π⁺Ratio in RHIC. Chinese Physics C, 1991, 15(7): 606-614.
[18]	LIU Jian-Ye,GE Yu-Cheng. Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision. Chinese Physics C, 1991, 15(6): 556-561.
[19]	LIU Jian-Ye,LI Jun-Qing,QIAO Wei-Min,CHEN Pei-Jun,SHEN Wen-Qing,TAN Nan-Hong. THE SHELL EFFECTS IN HEAVY ION COLLISIONS FOR LOW BOBARDMENT ENERGIES. Chinese Physics C, 1988, 12(6): 840-847.
[20]	GE Ling-Xiao,SHEN Wen-Qing,LIU Jian-Ye,WU Guo-Hua. MASS DRIFT IN HEAVY ION REACTION. Chinese Physics C, 1987, 11(5): 674-681.

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S.Manly ⁸, B.Alver ⁴, B.B.Back ¹, M.D.Baker ², M.Ballintijn ⁴, D.S.Barton ², R.R.Betts ⁶,
R.Bindel ⁷, W.Busza ⁴, Z.Chai ², V.Chetluru ⁶, E.Garcia ⁶and T.Gburek ³. Eccentricities of Flow-Elliptic Flow Fluctuations and Evidence for Transverse Localization in the Initial State of the Matter in Relativistic Heavy Ion Collisions[J]. Chinese Physics C, 2007, 31(12): 1133-1136.

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Received: 2007-07-17
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Eccentricities of Flow-Elliptic Flow Fluctuations and Evidence for Transverse Localization in the Initial State of the Matter in Relativistic Heavy Ion Collisions

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Physics Division, Argonne National Laboratory, Argonne, IL 60439-4843, USA2 Chemistry and C-A Departments, Brookhaven National Laboratory,Upton, NY 11973-5000, USA3 Institute of Nuclear Physics PAN,Krakow, Poland4 Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA5 Department of Physics, National Central University, Chung-Li6 Department of Physics, University of Illinois at Chicago, Chicago, IL 60607-7059, USA7 Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA8 Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA

Received Date:2007-07-17
Accepted Date:1900-01-01
Available Online:2007-12-05

Abstract:Recent measurements of event-by-event elliptic flow in Au+Au collisions at s_NN=200GeV exhibit large relative fluctuations of about 40%—50%. The data are well described by fluctuations in the shape of the initial collision region, as estimated event-by-event with the participant eccentricity using Glauber Monte Carlo. These results, combined with the demonstrated participant eccentricity scaling of the elliptic flow across nuclear species, constitute evidence of transverse granularity in the initial matter production in these collisions.