| Strong and electromagnetic J/ψ and ψ（2S） decays into pion and kaon pairs |
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| 作者姓名： | Henryk Czyz Agnieszka Grzelinska |
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| 作者单位： | Institute of Physics, University of Silesia, PL-40007 Katowice, Poland; Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Cracow, Poland |
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| 基金项目： | Supported by EU 6th Framework Programme under contract MRTN-CT-2006-035482 （FLAVIAnet） and EU Research Programmes at LNF, FP7, Transnational Access to Research Infrastructure （TARI）, Hadron Physics2-Integrating Activity, Contract No. 227431 |
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| 摘 要： | We discuss interference effects important for the form factors extraction in the vicinity of J/ψ and ψ（2S） resonances in combination with resonance parameters determination. The implementation to the Monte Carlo event generator PHOKHARA of the J/ψ and ψ（2S） contributions to the muon, pion and kaon pairs production associated with a photon at next-to-leading order is also described.
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| 关 键 词： | π介子 介子衰变 S型 粒子 电磁 组合共振 共振参数 蒙特卡洛 |
| 收稿时间： | 2010-02-05 |
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