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Observation of the isospin-violating decay J/psi -> phi pi(0)f(0) (980)
BESIII Collaboration
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:1页码:12007
摘要Using a sample of 1.31 x 10(9) J/psi events collected with the BESIII detector at the BEPCII collider, the decays J/psi -> phi pi(+)pi(-)pi(0) and J/psi -> phi pi(0)pi(0)pi(0) are investigated. The isospin- violating decay J/psi -> phi pi(0)f(0)(980) with f(0)(980)-> pi pi is observed for the first time. The width of the f(0)(980) obtained from the dipion mass spectrum is found to be much smaller than the world average value. In the pi(0)f(0)(980) mass spectrum, there is evidence of f(1)(1285) production. By studying the decay J/psi ->eta', the branching fractions of eta' -> pi(+)pi(-)pi(0) and eta' -> pi(0)pi(0)pi(0), as well as their ratio, are also measured.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.92.012007
收录类别SCI ; CA
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000358032700001
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被引频次:8[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/311005/228567
专题实验物理中心
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BESIII Collaboration. Observation of the isospin-violating decay J/psi -> phi pi(0)f(0) (980)[J]. PHYSICAL REVIEW D,2015,92(1):12007.
APA BESIII Collaboration.(2015).Observation of the isospin-violating decay J/psi -> phi pi(0)f(0) (980).PHYSICAL REVIEW D,92(1),12007.
MLA BESIII Collaboration."Observation of the isospin-violating decay J/psi -> phi pi(0)f(0) (980)".PHYSICAL REVIEW D 92.1(2015):12007.
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