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Observation of Z(c)(3900)(0) in e(+)e(-) -> pi(0)pi(0) J/Psi
BESIII Collaboration
2015
发表期刊PHYSICAL REVIEW LETTERS
卷号115页码:112003
摘要Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, we observe a new neutral state Z(c)(3900)(0) with a significance of 10.4 sigma. The mass and width are measured to be 3894.8 +/- 2.3 +/- 3.2 MeV/c(2) and 29.6 +/- 8.2 +/- 8.2 MeV, respectively, where the first error is statistical and the second systematic. The Born cross section for e(+)e(-) -> pi(0)pi(0) J/Psi and the fraction of it attributable to pi(0)Z(c)(3900)(0) -> pi(0)pi(0) J/Psi in the range E-c.m. = 4.19-4.42 GeV are also determined. We interpret this state as the neutral partner of the four-quark candidate Z(c)(3900)(+/-).
文章类型Article
学科领域Physics
DOI10.1103/PhysRevLett.115.112003
收录类别SCI ; EI ; CA
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000361040800002
引用统计
被引频次:42[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/311005/228736
专题实验物理中心
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BESIII Collaboration. Observation of Z(c)(3900)(0) in e(+)e(-) -> pi(0)pi(0) J/Psi[J]. PHYSICAL REVIEW LETTERS,2015,115:112003.
APA BESIII Collaboration.(2015).Observation of Z(c)(3900)(0) in e(+)e(-) -> pi(0)pi(0) J/Psi.PHYSICAL REVIEW LETTERS,115,112003.
MLA BESIII Collaboration."Observation of Z(c)(3900)(0) in e(+)e(-) -> pi(0)pi(0) J/Psi".PHYSICAL REVIEW LETTERS 115(2015):112003.
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