| Analysis of Y（4660） and Related Bound States with QCD Sum Rules |
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| 引用本文： | 王志刚,张晓宏.Analysis of Y（4660） and Related Bound States with QCD Sum Rules[J].理论物理通讯,2010(8):323-332. |
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| 作者姓名： | 王志刚 张晓宏 |
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| 作者单位： | Department of Physics, North China Electric Power University, Baoding 071003, China |
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| 基金项目： | Supported by National Natural Science Foundation under Grant No. 10775051, and Program for New Century Excellent Talents in University under Grant No. NCET-07-0282, and Project Supported by Chinese Universities Scientific Fund |
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| 摘 要： | In this article, we take the vector charmonium-like state Y（4660） as a φ＇ fo（980） bound state （irrespective of the hadro-charmonium and the molecular state） tentatively, and study its mass using the QCD sum rules. The numerical value My = 4.71 ±0.26 GeV is consistent with the experimental data. Considering the SU（3） symmetry of the light flavor quarks and the heavy quark symmetry, we also study the bound states φ＇a（400-1200）, γ′″ fo（980）, and γ′″σ（400-1200） with the QCD sum rules, and make reasonable predictions for their masses.
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| 关 键 词： | QCD求和规则 量子色动力学 束缚态 粲夸克偶素 分子状态 实验数据 对称性 重夸克 |
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