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Properties of Dihadron Correlations for p+p Collisions at √8NN = 200 GeV

Properties of Dihadron Correlations for p+p Collisions at √8NN = 200 GeV
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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. 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.
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2009年第6期99-102,共4页 中国物理快报(英文版)
基金 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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