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题名: Existence of tensor glueball xi(2230) and its mass, spin, and decay width
作者: Ma, WX ;  Hu, ZH ;  Zhou, LJ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2005
卷号: 43, 期号:3, 页码:504-508
关键词: J/PSI RADIATIVE DECAYS ;  QCD ;  XI(2230) ;  MESON
学科分类: Physics
通讯作者: Ma, WX , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
部门归属: Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Guangxi Univ Technol, Dept Informat & Comp Sci, Liuzhou 545006, Peoples R China; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Guangxi Univ, Dept Phys, Nanning 540003, Peoples R China
英文摘要: In order to solve the current experimental controversy on the existence of the tenser glueball xi(2230), we examine whether the conclusion from Seth's experimental measurement, which rejects existence of xi(2230), is reliable. We claim that the non-observation of the resonance structure by Seth is not a sound ground for rejecting the existence of xi(2230) but it may just indicate that xi(2230) has a broad width. We also study the tensor glueball properties: the mass, spin, and decay width. Our theoretical predictions of the mass and the spin of the xi(2230) using QCD sum rule are about 2.23 GeV and J = 2, respectively. Our theoretical results also evidently show that the xi(2230) must have a total decay width of about 100 MeV, which is much broader than the reported 20 MeV but a small partial decay width of 2 MeV into p (p) over bar decay channel.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000228149400026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13858
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Ma, WX,Hu, ZH,Zhou, LJ. Existence of tensor glueball xi(2230) and its mass, spin, and decay width[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2005,43(3):504-508.
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