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Observation of e(+)e(-) -> eta ' J/psi center-of-mass energies between 4.189 and 4.600 GeV
BESIII Collaboration
2016
发表期刊PHYSICAL REVIEW D
卷号94期号:3
文章类型Article
摘要The process e(+)e(-) -> eta' J/psi is observed for the first time with a statistical significance of 8.6 sigma at center-of-mass energy root s = 4.226 GeV and 7.3 sigma at root s = 4.258 GeV using data samples collected with the BESIII detector. The Born cross sections are measured to be (3.7 +/- 0.7 +/- 0.3) and (3.9 +/- 0.8 +/- 0.3) pb at root s = 4.226 and 4.258 GeV, respectively, where the first errors are statistical and the second systematic. Upper limits at the 90% confidence level of the Born cross sections are also reported at other 12 energy points.
DOI10.1103/PhysRevD.94.032009
语种英语
WOS记录号WOS:000381893400002
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260968
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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BESIII Collaboration. Observation of e(+)e(-) -> eta ' J/psi center-of-mass energies between 4.189 and 4.600 GeV[J]. PHYSICAL REVIEW D,2016,94(3).
APA BESIII Collaboration.(2016).Observation of e(+)e(-) -> eta ' J/psi center-of-mass energies between 4.189 and 4.600 GeV.PHYSICAL REVIEW D,94(3).
MLA BESIII Collaboration."Observation of e(+)e(-) -> eta ' J/psi center-of-mass energies between 4.189 and 4.600 GeV".PHYSICAL REVIEW D 94.3(2016).
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