Simulation of energy scan of pion interferometry in central Au+Au collisions at relativistic energies

被引：0
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作者：
张正桥 [1 ,2 ]
张松 [1 ]
马余刚 [1 ]
机构：
[1] Shanghai Institute of Applied Physics,Chinese Academy of Sciences
[2] University of Chinese Academy of
来源：
Chinese Physics C | 2014年 / 38卷 / 01期
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摘要：
We present a systematic analysis of two-pion interferometry for the central Au+Au collisions at（snn）1/2=3,5,7,11,17,27,39,62,130 and 200 GeV/c with the help of a multiphase transport（AMPT）model.Emission source-size radius parameters Rlong,Rout,Rsideand the chaotic parameter A are extracted and compared with the experimental data.Transverse momentum and aziinuthal angle dependencies of the HBT radii are also discussed for central Au+Au collisions at 200 GeV/c.The results show that the HBT radii in central collisions do not change much above 7 GeV/c.For central collisions at 200 GeV/c,the radii decrease with the increasing of transverse momentum pt but are not sensitive to the aziinuthal angle.These results provide a theoretical reference for the energy scan program of the RHIC-STAR experiment.
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页码：37 / 40
页数：4
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