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On the structure of the pi pi invariant mass spectra of the gamma(4S)->gamma(1S,2S)pi(+)pi(-) decays
Guo FK(郭奉坤); Shen PN(沈彭年); Jiang HQ(姜焕清); Ping RG(平荣刚); Guo, FK; Shen, PN; Chiang, HC; Ping, RG
2007
发表期刊PHYSICS LETTERS B
卷号658期号:1-3页码:#REF!
通讯作者Guo, FK (reprint author), Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany.
文章类型Article
摘要We perform a model-independent analysis for recently reported data of the pi(+)pi(-) invariant mass spectra in the gamma (4S) -> gamma (1S, 2S)pi(+)pi(-) decays and point out that there does exist a broad peak below 0.6 GeV in the data of the gamma(4S) -> gamma(1S)pi(+)pi(-) decay, which is analogous to that in the gamma (3S) -> gamma(1S)pi(+)pi(-) decay. With the data of gamma(4S) decays, we further test our model developed for studying the puzzle in the gamma (3S) -> gamma (1S) pi(+)pi(-) decay. The result shows that with such a model, all the pi(+)pi(-) invariant mass spectra of gamma (4S) decays can be described. We also predict the cos theta(pi)* distributions of gamma (4S) -> gamma (1S, 2S)pi(+)pi(-) decays, which can be used to justify our model prediction. (c) 2007 Elsevier B.V. All rights reserved.
关键词gamma pi(+)pi(-) transition S wave pi pi final state interaction tetraquark
学科领域Physics
DOI10.1016/j.physletb.2007.10.021
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000251895400005
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225593
专题理论物理室
实验物理中心
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GB/T 7714
Guo FK,Shen PN,Jiang HQ,et al. On the structure of the pi pi invariant mass spectra of the gamma(4S)->gamma(1S,2S)pi(+)pi(-) decays[J]. PHYSICS LETTERS B,2007,658(1-3):#REF!.
APA 郭奉坤.,沈彭年.,姜焕清.,平荣刚.,Guo, FK.,...&Ping, RG.(2007).On the structure of the pi pi invariant mass spectra of the gamma(4S)->gamma(1S,2S)pi(+)pi(-) decays.PHYSICS LETTERS B,658(1-3),#REF!.
MLA 郭奉坤,et al."On the structure of the pi pi invariant mass spectra of the gamma(4S)->gamma(1S,2S)pi(+)pi(-) decays".PHYSICS LETTERS B 658.1-3(2007):#REF!.
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