Existence of Tensor Glueball ξ(2230) and Its Mass, Spin, and Decay Width
Ma WX(马维兴); HU Zhao-hui; ZHOU Li-Juan
刊名理论物理通讯(英文版)
2005
期号6页码:504-508
关键词tensor glueball ξ(2230) QCD QCD sum rule properties of ξ(2230)
通讯作者马维兴
英文摘要In order to solve the current experimental controversy on the existence of the tensor glueball ξ(2230), we examine whether the conclusion from Seth's experimental measurement, which rejects existence of ξ(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 ξ(2230) but it may just indicate that ξ(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 ξ(2230) using QCD sum rule are about 2.23 GeV and J = 2, respectively. Our theoretical results also evidently show that the ξ(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 pp decay channel.
收录类别CNKI
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/215994
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Ma WX,HU Zhao-hui,ZHOU Li-Juan. Existence of Tensor Glueball ξ(2230) and Its Mass, Spin, and Decay Width[J]. 理论物理通讯(英文版),2005(6):504-508.
APA 马维兴,HU Zhao-hui,&ZHOU Li-Juan.(2005).Existence of Tensor Glueball ξ(2230) and Its Mass, Spin, and Decay Width.理论物理通讯(英文版)(6),504-508.
MLA 马维兴,et al."Existence of Tensor Glueball ξ(2230) and Its Mass, Spin, and Decay Width".理论物理通讯(英文版) .6(2005):504-508.
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