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Observation and Spin-Parity Determination of the X(1835) in J/psi -> gamma(KSKS0)-K-0 eta
BESIII Collaboration
2015
发表期刊PHYSICAL REVIEW LETTERS
卷号115页码:91803
文章类型Article
摘要We report an observation of the process J/psi -> gamma X(1835) -> gamma(KSKS0)-K-0 eta at low (KSKS0)-K-0 mass with a statistical significance larger than 12.9s using a data sample of 1.31 x 109 J/psi events collected with the BESIII detector. In this region of phase space the (KSKS0)-K-0 system is dominantly produced through the f (0)(980). By performing a partial wave analysis, we determine the spin parity of the Xd1835_ to be J(PC) = 0(-+). The mass and width of the observed X(1835) are 1844 +/- 9(stat)(-25)(+16)(syst) MeV/c(2) and 192(-17)(+20)(sta)(-43)(+62)(syst) MeV, respectively, which are consistent with the results obtained by BESIII in the channel J/psi -> gamma pi(+)pi(-)eta'.
学科领域Physics
DOI10.1103/PhysRevLett.115.091803
收录类别SCI ; EI ; CA
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000360134200006
引用统计
被引频次:18[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/311005/228643
专题实验物理中心
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BESIII Collaboration. Observation and Spin-Parity Determination of the X(1835) in J/psi -> gamma(KSKS0)-K-0 eta[J]. PHYSICAL REVIEW LETTERS,2015,115:91803.
APA BESIII Collaboration.(2015).Observation and Spin-Parity Determination of the X(1835) in J/psi -> gamma(KSKS0)-K-0 eta.PHYSICAL REVIEW LETTERS,115,91803.
MLA BESIII Collaboration."Observation and Spin-Parity Determination of the X(1835) in J/psi -> gamma(KSKS0)-K-0 eta".PHYSICAL REVIEW LETTERS 115(2015):91803.
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