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Gluonia and charmonium decays
Chao, KT; Gu YF(顾以藩); Gu, YF; Tuan, SF
1996
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号25期号:4页码:471-478
通讯作者CCAST,WORLD LAB,CTR THEORET PHYS,BEIJING 100080,PEOPLES R CHINA ; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA ; ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA ; UNIV HAWAII MANOA,DEPT PHYS,HONOLULU,HI 96822
摘要We discuss the search for a 1(--) gluonium state, O, in connection with a possible solution for the so-called p pi, K* (K) over bar puzzle in the J/psi and psi' decays. Some issues are examined. In particular, we argue that the expected most favorable process psi' --> pi pi O can have an appreciable branching ratio (say 10(-3) similar to 10(-4)) only if the O has a very narrow partial decay width to p pi (say 1 similar to 10 MeV) For the 0(-+) system we deduce a relation that BR(eta(c)' --> h) approximate to BR (eta(c) --> h), where h denotes an exclusive light hadronic channel. This relation may be useful for the experimental search of the yet to be confirmed eta(c)' state, for which the branching ratios of psi' --> gamma eta(c)' --> gamma KK pi, gamma eta pi pi, gamma eta'pi pi are estimated to be about 1 x 10(-4) if the mass of eta(c)' is around 3600 MeV, and this relation may also serve as a criterion to determine whether there exist anomalous decays in eta(c) and eta(c)' system, in particular in the VV decay channels, which might be related to the 0(-+) glueball-charmonium mixing. We emphasize that the bigluonium and the trigluonium may have very different effects on these decays.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1996VD99500016
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被引频次:14[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/311005/237623
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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GB/T 7714
Chao, KT,Gu YF,Gu, YF,et al. Gluonia and charmonium decays[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1996,25(4):471-478.
APA Chao, KT,顾以藩,Gu, YF,&Tuan, SF.(1996).Gluonia and charmonium decays.COMMUNICATIONS IN THEORETICAL PHYSICS,25(4),471-478.
MLA Chao, KT,et al."Gluonia and charmonium decays".COMMUNICATIONS IN THEORETICAL PHYSICS 25.4(1996):471-478.
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