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Evidence of a broad structure at an invariant mass of 4.32 GeV/c(2) in the reaction e(+)e(-)->pi(+)pi(-)psi(2S) measured at BABAR
BaBar Collaboration
2007
发表期刊PHYSICAL REVIEW LETTERS
卷号98期号:21
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
摘要We present a measurement of the cross section of the process e(+)e(-)->pi(+)pi(-)psi(2S) from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiation, produced at the SLAC PEP-II e(+)e(-) storage rings. The study is based on 298 fb(-1) of data recorded with the BABAR detector. A structure is observed in the cross section not far above threshold, near 4.32 GeV. We also investigate the compatibility of this structure with the Y(4260) previously reported by this experiment.
关键词Y(4260)
学科领域Physics
DOI10.1103/PhysRevLett.98.212001
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000246776100017
引用统计
被引频次:201[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/311005/212815
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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BaBar Collaboration. Evidence of a broad structure at an invariant mass of 4.32 GeV/c(2) in the reaction e(+)e(-)->pi(+)pi(-)psi(2S) measured at BABAR[J]. PHYSICAL REVIEW LETTERS,2007,98(21).
APA BaBar Collaboration.(2007).Evidence of a broad structure at an invariant mass of 4.32 GeV/c(2) in the reaction e(+)e(-)->pi(+)pi(-)psi(2S) measured at BABAR.PHYSICAL REVIEW LETTERS,98(21).
MLA BaBar Collaboration."Evidence of a broad structure at an invariant mass of 4.32 GeV/c(2) in the reaction e(+)e(-)->pi(+)pi(-)psi(2S) measured at BABAR".PHYSICAL REVIEW LETTERS 98.21(2007).
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