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Existence of tensor glueball xi(2230) and its mass, spin, and decay width
Ma, WX; Hu, ZH; Zhou, LJ; Ma, WX , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
2005
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号43期号:3页码:504-508
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.
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
关键词J/psi Radiative Decays Qcd Xi(2230) Meson
学科领域Physics
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收录类别SCI
WOS记录号WOS:000228149400026
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13858
专题理论物理所SCI论文
通讯作者Ma, WX , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
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Ma, WX,Hu, ZH,Zhou, LJ,et al. Existence of tensor glueball xi(2230) and its mass, spin, and decay width[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2005,43(3):504-508.
APA Ma, WX,Hu, ZH,Zhou, LJ,&Ma, WX , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China..(2005).Existence of tensor glueball xi(2230) and its mass, spin, and decay width.COMMUNICATIONS IN THEORETICAL PHYSICS,43(3),504-508.
MLA Ma, WX,et al."Existence of tensor glueball xi(2230) and its mass, spin, and decay width".COMMUNICATIONS IN THEORETICAL PHYSICS 43.3(2005):504-508.
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