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Analysis of phi decay to 3 gamma final states with the TELESIS
其他题名TELESIS 在 衰变末态分析中的运用
Xu GF(许国发); Tong GL(童国梁); Huang XP(黄秀萍); Lv F(吕峰); Yu GW(俞国威); Xu, GF; Tong, GL; Huang, XP; Lu, F; Yu, GW
2002
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号26期号:5页码:462-470
通讯作者CAS, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要DAPhiNE (Double Annular Phi-factory for Nice Experiment) is the Fraseati(Italy) electron positron collider operating at the energy of 510 MeV, a rather low energy with respect to the other existing factories. DAPhiNE includes two collision points, and KLOE detector is located at one of these points. The KLOE detector is designed primarily for the goal of detecting direct CP violation in KO decays with a sensitivity of similar to 10(-4) in R (epsilon'/epsilon), with a vast amount of other physics subjects. radiative dacays, especially its pure neutral final states are very important subjects to test the Chiral Perturbation Theory approach both in the anomalous and non-anomalous sectors. In this paper, a new kinematic fit method-TELESIS-is used for the data analysis of phi radiative decay phi-->gammaeta-->3gamma and phi-->gammapi(0)-->3gamma based on a part of 2000' data collected by KLOE detectors in DAPhiNE, the phi produced cross section and the partial cross section of e(+)e(-)-->phi-->gammapi(0)-->3gamma have been obtained as follows: sigma(e+e--->phi) = (4.04 +/- 0.04 +/- 0.24) mub, sigma(e+e--->gammapi0-->3gamma) = (5.3 +/- 0.3 +/- 0.6) nb. These results are in good agreement with that of VEPP and theoretical predictions.
关键词TELESIS kinematic fit phi radiative decay cross section
学科领域Physics
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语种英语
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000175576000005
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237586
专题实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Xu GF,Tong GL,Huang XP,et al. Analysis of phi decay to 3 gamma final states with the TELESIS[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2002,26(5):462-470.
APA 许国发.,童国梁.,黄秀萍.,吕峰.,俞国威.,...&Yu, GW.(2002).Analysis of phi decay to 3 gamma final states with the TELESIS.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,26(5),462-470.
MLA 许国发,et al."Analysis of phi decay to 3 gamma final states with the TELESIS".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 26.5(2002):462-470.
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