INDRA@GSI: collective flow in Au+Au collisions

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• 作者：Lukasik ; J. ; Trautmann ; W. ; Auger ; G. ; Begemann-Blaich ; M.L. ; Bellaize ; N. ; Bittiger ; R. ; Bocage ; F. ; et. al.
• 关键词：Sideward and elliptic flow ; Intermediate energy heavy ion collisions
• 刊名：Progress in Particle and Nuclear Physics
• 出版年：2004
• 期刊代码：64_01466410
• 类别：ph
• 出版时间：July, 2004
• 卷：53
• 期：1
• 页码：77-80
• 文件大小：73.7 K

摘要

Directed flow in symmetric heavy ion collisions has been studied using the ¹⁹⁷Au+ ¹⁹⁷Au reactions at incident energies between 40 and 150 A MeV. The reactions have been measured with the 4π multi-detector INDRA at the GSI facility. In particular, the bombarding energy at which the elliptic flow switches from in-plane to out-of-plane enhancement has been determined to be clearly above 100 A MeV in good agreement with the result obtained by the FOPI Collaboration. The new data also allows to extend the experimental excitation function of v₂ to lower energies.