Properties of Dihadron Correlations for p+p Collisions at √8NN = 200 GeV |
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引用本文: | 辛科峰,张松,马余刚,蔡翔舟,马国亮,钟晨.Properties of Dihadron Correlations for p+p Collisions at √8NN = 200 GeV[J].中国物理快报,2009(6):99-102. |
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作者姓名: | 辛科峰 张松 马余刚 蔡翔舟 马国亮 钟晨 |
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作者单位: | Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800 |
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基金项目: | Supported in part by the National Natural Science Foundation of China under Grant Nos 10610285, 10775167 and 10875159, the Knowledge Innovation Project of Chinese Academy of Sciences under Grant Nos KJCX2-YW-A14 and KJCX3-SYW-N2. |
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摘 要: | The dihadron azimuthal angular correlations for p+p collisions at √8NN = 200 GeV are simulated by a multiphase transport model. The dispersions of near-side and away-side peaks, indicated by the width of Gaussian fit functions and the rms width, decrease with the transverse momentum of associated particles. This trend is consistent with the experimental results. Conditional-yields are also calculated to obtain distributions of the associated particle transverse momentum for both away-side and near-side. Furthermore, the hadronic rescattering effects make the conditional-yield distributions softer.
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关 键 词: | pp碰撞 伏特 电子 关联 性能 伴随粒子 运输模式 高斯拟合 |
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