| Search for Exotic States in J／ψ→ρηπ |
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| 引用本文： | WUNing RUANTu－Nan.Search for Exotic States in J／ψ→ρηπ[J].理论物理通讯,2002,37(3):309-314. |
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| 作者姓名： | WUNing RUANTu－Nan |
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| 作者单位： | [1]InstituteofHighEnergyPhysics,P.O.Box918－1,theChineseAcademyofSciences,Beijing100039,China [2]CCAST（WorldLaboratory）,P.O.Box8730,Beijing100080,China |
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| 摘 要： | It is an ideal place to search for exotic states through J/ψ hadronic decays.In this paper,we discuss the way to use the partial wave analysis (PWA) based on covariant helicity amplitude analysis to study the invariant mass spectrum of ηπ and to find the evidence of the existence of exotic states in this channel.The formula for PWA is also given.It is the theoretical foundation of experimental physics analysis on exotic states searching in J/ψ hadronic decays.The theoretical formula can also be used in physics analysis of J/ψ decays into ωππ，φππ，ωKK，φKK and K^* (892)Kπ.
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| 关 键 词： | 量子色动力学 外来态 J／ψ→ρηπ 强子衰变 |
| 收稿时间： | 2001-04-19 |
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