Observation of Two Charged Bottomoniumlike Resonances in Y(5S) Decays
Belle Collaboration
刊名PHYSICAL REVIEW LETTERS
2012
卷号108期号:12页码:122001
学科分类Physics
DOI10.1103/PhysRevLett.108.122001
英文摘要We report the observation of two narrow structures in the mass spectra of the pi(+/-) Y(nS) (n = 1, 2, 3) and pi(+/-) h(b)(mP) (m = 1, 2) pairs that are produced in association with a single charged pion in Y(5S) decays. The measured masses and widths of the two structures averaged over the five final states are M-1 = (10 607.2 +/- 2.0) MeV/c(2), Gamma(1) =(18.4 +/- 2.4) MeV, and M-2 = (10 652.2 +/- 1.5) MeV/c(2), Gamma(2) = (11.5 +/- 2.2) MeV. The results are obtained with a 121.4 fb(-1) data sample collected with the Belle detector in the vicinity of the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(-) collider.
收录类别SCI
WOS记录号WOS:000301704900001
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被引频次:246[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/311005/224636
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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Belle Collaboration. Observation of Two Charged Bottomoniumlike Resonances in Y(5S) Decays[J]. PHYSICAL REVIEW LETTERS,2012,108(12):122001.
APA Belle Collaboration.(2012).Observation of Two Charged Bottomoniumlike Resonances in Y(5S) Decays.PHYSICAL REVIEW LETTERS,108(12),122001.
MLA Belle Collaboration."Observation of Two Charged Bottomoniumlike Resonances in Y(5S) Decays".PHYSICAL REVIEW LETTERS 108.12(2012):122001.
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