A Non-Zero Hadronic Elliptic Flow with a Vanished Partonic Elliptic Flow in a Coalescence Scenario |
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Authors: | LIU Jian-Li SHAN Lian-Qiang FENG Qi-Chun WU Feng-Juan ZHANG Jing-Bo TANG Gui-Xin HUO Lei |
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Affiliation: | Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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Abstract: | The elliptic flow of a hadron is calculated using a quark coalescence model based on the quark phase space distribution produced by a free streaming locally thermalized quark in a two-dimensional transverse plane at initial time. Without assuming the quark's elliptic flow, it is shown that the hadron obtains a non-zero elliptic flow in this model. The elliptic flow of the hadron is shown to be sensitive to both space momentum correlation and the hadron's internal structure. Quark number scaling is obtained only for some special cases. |
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Keywords: | 25.75.Ld 25.75.Nq 25.75.-q |
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