Elliptic flow of direct photons in Au+Au collisions at 200 GeV

LIU Fu-Ming; Tetsufumi Hirano; Klaus Werner; ZHU Yan

doi:10.1088/1674-1137/34/9/063

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1433-1435 DOI: 10.1088/1674-1137/34/9/063

Elliptic flow of direct photons in Au+Au collisions at 200 GeV

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Abstract：
The rapidity dependence of the elliptic flow of direct photons in Au+Au collisions at √s _NN=200 GeV are predicted, based on a three-dimensional ideal hydrodynamic description of the hot and dense matter. The rapidity dependence of the elliptic flow v₂(y) of direct photons (mainly thermal photons) is very sensitive to the initial energy density distribution along longitudinal direction, which provides a useful tool to extract the realistic initial condition from measurements.

References

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. Harris J W, Muller B Ann. Rev. Nucl. Part. Sci., 1996,46: 712. Ollitrault J Y. Phys. Rev. D, 1992, 46: 229; Phys. Rev. D,1993, 48: 11323. Arnold P, Moore G, Ya e L G. J. High Energy Phys., 2001,0111: 057; J. High Energy Phys., 2001, 0112: 94. Turbide S, Rapp R, Gale C. Phys. Rev. C, 2004, 69: 0149035. LIU F-M, Hirano T,Werner K, ZHU Y. Nucl.Phys.A, 2009,830:587C-590C6. Hirano T. Phys. Rev. C, 2002, 65: 0119017. Hirano T, Tsuda K. Phys. Rev. C, 2002, 66: 0549058. Werner K, Hirano T, Karpenko Iu, Pierog T, PorteboeufS, Bleicher M, Haussler S. J. Phys. G: Nucl. Part. Phys.,2009, 36: 064030; arXiv:0907.5529

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LIU Fu-Ming, Tetsufumi Hirano, Klaus Werner and ZHU Yan. Elliptic flow of direct photons in Au+Au collisions at 200 GeV[J]. Chinese Physics C, 2010, 34(9): 1433-1435. doi: 10.1088/1674-1137/34/9/063

LIU Fu-Ming, Tetsufumi Hirano, Klaus Werner and ZHU Yan. Elliptic flow of direct photons in Au+Au collisions at 200 GeV[J]. Chinese Physics C, 2010, 34(9): 1433-1435. doi: 10.1088/1674-1137/34/9/063 shu

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Received: 2010-01-27
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

Elliptic flow of direct photons in Au+Au collisions at 200 GeV

Corresponding author: LIU Fu-Ming,

Received Date: 2010-01-27
Accepted Date: 1900-01-01
Available Online: 2010-09-05

Abstract:

The rapidity dependence of the elliptic flow of direct photons in Au+Au collisions at √s _NN=200 GeV are predicted, based on a three-dimensional ideal hydrodynamic description of the hot and dense matter. The rapidity dependence of the elliptic flow v₂(y) of direct photons (mainly thermal photons) is very sensitive to the initial energy density distribution along longitudinal direction, which provides a useful tool to extract the realistic initial condition from measurements.