Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions

LE Tian; XU Ming-Mei; WU Yuan-Fang

doi:10.1088/1674-1137/35/3/009

Chinese Physics C> 2011, Vol. 35> Issue(3) : 259-263 DOI: 10.1088/1674-1137/35/3/009

Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions

Abstract
HTML
Reference
Related

PDF

Abstract：
The centrality and energy dependence of rapidity correlation patterns are studied in Au+Au collisions by using AMPT with string melting, RQMD and UrQMD models. The behaviors of the short-range correlation (SRC) and the long-range correlation (LRC) are presented clearly by two spatial-position dependent correlation patterns. For centrality dependence, UrQMD and RQMD give similar results as those in AMPT, i.e., in most central collisions, the correlation structure is flatter and the correlation range is larger, which indicates a long range rapidity correlation. A long range rapidity correlation showing up in RQMD and UrQMD implies that parton interaction is not the only source of long range rapidity correlations. For energy dependence, AMPT with string melting and RQMD show quite different results. The correlation patterns in RQMD at low collision energies and those in AMPT at high collision energies have similar structures, i.e. a convex curve, while the correlation patterns in RQMD at high collision energies and those in AMPT at low collision energies show flat structures, having no position dependence. Long range rapidity correlation presents itself at high energy and disappears at low energy in RQMD, which also indicates that long range rapidity correlations may come from some trivial effects, rather than the parton interactions.

References

[1]

Hanbury Brown R, Twiss R Q. Nature (London), 1956, 178: 1046; Shuryak E. Phys. Lett. B, 1973, 44: 387; Sov. J. Nucl. Phys., 1974, 18: 6672 Paladin G, Vulpiani A. Phys. Rep., 1987, 156: 147; Bialas A, Peschanski R. Nucl. Phys. B, 1988, 308: 8573 Seibert D. Phys. Rev. D, 1990, 41: 3381; Bass S A, Danielewicz P, Pratt S. Phys. Rev. Lett., 2000, 85: 26894 Abelev B I et al. (STAR collaboration). Phys. Rev. Lett., 2009, 103: 172301; Srivastava B K (STAR collaboration). Int. J. Mod. Phys. E, 2007, 16(10): 33715 Bozek P, Ploszajczak M, Botet R. Phys. Rep., 1995, 252: 1016 WU Yuan-Fang, LIU Lian-Shou, WANG Ying-Dan, BAI Yu-Ting, LIAO Hong-Bo. Phys. Rev. E, 2005, 71: 0171037 WANG Mei-Juan, WU Yuan-Fang. HEPNP, 2006, 30(7): 652 (in Chinese)8 WANG Mei-Juan, WU Yuan-Fang. Int. J. Mod. Phys. E, 2007, 16(10): 33799 Adams J et al. (STAR collaboration). Phys. Rev. C, 2006, 73: 064907; 2007, 75: 03490110 YAN Yu-Liang et al. arXiv:1001.1595v1[nucl-th]11 LIN Zi-Wei, KO Che-Ming, LI Bao-An, ZHANG Bin, Pal Subrata. Phys. Rev. C, 2005, 72: 06490112 Sorge H. Phys. Rev. C, 1995, 52: 329113 Bass S A et al. arXiv:nucl-th/9803035v2

[1]	Ze-Fang Jiang , C. B. Yang , Chi Ding , Xiang-Yu Wu . Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC. Chinese Physics C, 2018, 42(12): 123103. doi: 10.1088/1674-1137/42/12/123103
[2]	Hai-hong Li , Feng-lan Shao , Jun Song . Multiplicity fluctuation and correlation of mesons and baryons in ultra-relativistic heavy-ion collisions at the LHC. Chinese Physics C, 2018, 42(1): 014102. doi: 10.1088/1674-1137/42/1/014102
[3]	Feng-Lan Shao , Jun Song , Rui-Qin Wang , Mao-Sheng Zhang . Energy dependence of resonance production in relativistic heavy ion collisions. Chinese Physics C, 2017, 41(1): 014101. doi: 10.1088/1674-1137/41/1/014101
[4]	Xiao-Ji Zhang , Wen-Jun Guo , Xian-Jie Li , Kuo Wang . Study of entropy in intermediate-energy heavy ion collisions. Chinese Physics C, 2016, 40(3): 034103. doi: 10.1088/1674-1137/40/3/034103
[5]	ZHANG Yong , YANG Jing , ZHANG Wei-Ning . Relativistic effects on the back-to-back correlation functions of boson-antiboson pairs in high energy heavy ion collisions. Chinese Physics C, 2015, 39(3): 034103. doi: 10.1088/1674-1137/39/3/034103
[6]	YAN Ting-Zhi , LI Shan . Impact parameter dependence of the scaling of anisotropic flowsin intermediate energy heavy-ion collisions. Chinese Physics C, 2014, 38(8): 084104. doi: 10.1088/1674-1137/38/8/084104
[7]	MA Chun-Wang , SONG Heng-Li , PU Jie , ZHANG Tong-Lin , ZHANG Sha , WANG Shan-Shan , ZHAO Xin-Li , CHEN Li . Symmetry energy from neutron-rich fragments in heavy-ion collisions, and its dependence on incident energy, and impact parameters. Chinese Physics C, 2013, 37(2): 024102. doi: 10.1088/1674-1137/37/2/024102
[8]	LI Lin , WANG Mei-Juan , WU Yuan-Fang . Neighboring azimuthal bin-bin multiplicity correlation as a direct measure for the shear viscosity in relativistic heavy ion collisions. Chinese Physics C, 2013, 37(9): 094102. doi: 10.1088/1674-1137/37/9/094102
[9]	YAN Ting-Zhi . Energy dependence for directed and elliptic flow in in termediate-energy heavy ion collisions. Chinese Physics C, 2013, 37(1): 014105. doi: 10.1088/1674-1137/37/1/014105
[10]	LI Lin , LI Na , WU Yuan-Fang . Azimuthal distributions of radial momentum and velocity in relativistic heavy ion collisions. Chinese Physics C, 2012, 36(5): 423-428. doi: 10.1088/1674-1137/36/5/007
[11]	SUN Le-Xue , WANG Rui-Qin , SONG Jun , SHAO Feng-Lan . Hadronic rapidity spectra in heavy ion collisions at SPS and AGS energies in a quark combination model. Chinese Physics C, 2012, 36(1): 55-61. doi: 10.1088/1674-1137/36/1/009
[12]	WANG Yang-Yang , ZHAO Lin-Jie , YUAN Zhong-Sheng , ZHANG Dan-Dan , FANG Wei , XU Ming-Mei . System size in relativistic heavy ion collisions. Chinese Physics C, 2011, 35(3): 264-268. doi: 10.1088/1674-1137/35/3/010
[13]	KE Hong-Wei , XU Ming-Mei , LIU Lian-Shou . Critical phenomena in a disc-percolation model and their application to relativistic heavy ion collisions. Chinese Physics C, 2009, 33(10): 854-859. doi: 10.1088/1674-1137/33/10/007
[14]	LIU Gui-Hua , MA Yu-Gang , CAI Xiang-Zhou , FANG De-Qing , SHEN Wen-Qing , TIAN Wen-Dong , WANG Kun . Impact parameter and beam energy dependence for azimuthal asymmetry of direct photons and free protons in intermediate energy heavy-ion collisions. Chinese Physics C, 2009, 33(S1): 89-91. doi: 10.1088/1674-1137/33/S1/029
[15]	HUANG Yan-Ping , WU Yuan-Fang . Centrality, azimuthal and rapidity dependence of two-particle transverse-momentum correlation in relativistic heavy ion collisions. Chinese Physics C, 2009, 33(4): 281-284. doi: 10.1088/1674-1137/33/4/008
[16]	Wang Chengshing , Zhao Qiang , Tang Ping . Glauber Theory on Transverse Energy Distributions in Ultra-Relativistic Heavy Ion Collisions. Chinese Physics C, 1996, 20(S2): 149-154.
[17]	Liu Jianye , Zhang Shaoguang . Dynamics Study on the Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 1995, 19(S1): 103-109.
[18]	Zhao Weiqin , Liu Bo . Transverse Energy Dependence of Yield of Charmonium Production in Relativistic Heavy Ion Collisions. Chinese Physics C, 1995, 19(S1): 97-101.
[19]	Liu Yiming , Zhang Weigang , Huo Lei , Wang Shan , D. Keane , S. Y. Chu , S. Y. Fung . Transverse Motion Correlation of Collective Flow in Relativistic Heavy Ion Collisions. Chinese Physics C, 1994, 18(S2): 167-174.
[20]	Soren P. Sorensen , Zhao Weiqin . Influence of Finite Collision Time on Energy Density in Relativistic Heavy Ion Collisions. Chinese Physics C, 1993, 17(S1): 89-93.

Access

Get Citation

LE Tian, XU Ming-Mei and WU Yuan-Fang. Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions[J]. Chinese Physics C, 2011, 35(3): 259-263. doi: 10.1088/1674-1137/35/3/009

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2010-07-05
Revised: 2010-06-12

Article Metric

Article Views(2703)
PDF Downloads(471)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions

Received Date: 2010-07-05

Accepted Date: 2010-06-12

Available Online: 2011-03-05

Abstract: The centrality and energy dependence of rapidity correlation patterns are studied in Au+Au collisions by using AMPT with string melting, RQMD and UrQMD models. The behaviors of the short-range correlation (SRC) and the long-range correlation (LRC) are presented clearly by two spatial-position dependent correlation patterns. For centrality dependence, UrQMD and RQMD give similar results as those in AMPT, i.e., in most central collisions, the correlation structure is flatter and the correlation range is larger, which indicates a long range rapidity correlation. A long range rapidity correlation showing up in RQMD and UrQMD implies that parton interaction is not the only source of long range rapidity correlations. For energy dependence, AMPT with string melting and RQMD show quite different results. The correlation patterns in RQMD at low collision energies and those in AMPT at high collision energies have similar structures, i.e. a convex curve, while the correlation patterns in RQMD at high collision energies and those in AMPT at low collision energies show flat structures, having no position dependence. Long range rapidity correlation presents itself at high energy and disappears at low energy in RQMD, which also indicates that long range rapidity correlations may come from some trivial effects, rather than the parton interactions.

HTML

Reference (1)

Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Centrality and energy dependence of rapidity correlation patterns in relativistic heavy ion collisions

HTML

目录