| Rapidity dependence of hadron PT spectra in central Au＋Au collisions at √^SNN = 200 GeV |
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| 引用本文： | 邵凤兰,宋军,谢去病.Rapidity dependence of hadron PT spectra in central Au＋Au collisions at √^SNN = 200 GeV[J].中国物理 C,2009,33(6):481-486. |
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| 作者姓名： | 邵凤兰 宋军 谢去病 |
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| 作者单位： | 1 Department of Physics, Qufu Normal University, Qufu 273165, China;2 Department of Physics, Shandong University, Ji'nan 250100, China |
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| 基金项目： | Supported by National Natural Science Foundation of China （10775089, 10475049） and Science Fund of Qufu Normal University |
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| 摘 要： | The transverse momentum spectra for identified hadrons at different rapidities in central Au＋Au collisions at √^SNN= 200 GeV are studied in a quark combination model. The results for PT spectra of π^±, K^±, p（p^-） and for the p/π ratios in a broader PT range at midrapidity agree well with the data. The transverse momentum spectra of pions, protons and antiprotons at various rapidities y - 1, η= 2.2 and y ≈ 3.2 are calculated and compared with the data.
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| 关 键 词： | 强子谱 印尼 碰撞 伏特 电子 依赖性 中央 速度 |
| 收稿时间： | 2008-7-24 |
| 修稿时间： | 2009-2-10 |
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