Chinese Physics C > 2014, Vol. 38 > Issue(1): 014102 DOI: 10.1088/1674-1137/38/1/014102

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

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We present a systematic analysis of two-pion interferometry for the central Au+Au collisions at √ s_NN=3, 5, 7, 11, 17, 27, 39, 62, 130 and 200 GeV/ cwith the help of a multiphase transport (AMPT) model. Emission source-size radius parameters R _long, R _out, R _sideand the chaotic parameter λare extracted and compared with the experimental data. Transverse momentum and azimuthal 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 p _Tbut are not sensitive to the azimuthal angle. These results provide a theoretical reference for the energy scan program of the RHIC-STAR experiment.

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ZHANG Zheng-Qiao, ZHANG Song and MA Yu-Gang. Simulation of energy scan of pion interferometry in central Au+Au collisions at relativistic energies[J]. Chinese Physics C, 2014, 38(1): 014102. doi: 10.1088/1674-1137/38/1/014102

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Received: 2013-05-17
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沈阳化工大学材料科学与工程学院沈阳 110142

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

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

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