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题名: Hybrid quarkonium masses up to the order of 1/m(Q)
作者: Zhu, SL
刊名: PHYSICAL REVIEW D
出版日期: 1999
卷号: 60, 期号:3, 页码:-
关键词: QCD SUM-RULES ;  EXOTIC MESON ;  GEV/C
学科分类: Physics
通讯作者: Zhu, SL , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We calculate the binding energy of hybrid quarkonium up to the order of 1/m(Q) and find their decay constants scale like m(Q)(5/4) as m(Q) --> (infinity). The 0(--) and 0(++) hybrid quarkonium is exactly degenerate in the limit m(Q) --> (infinity), while the 1/m(Q) correction renders the 0(--) mass lower than that for 0(++). The 1(-+) and 1(+-) hybrid is nearly degenerate and lies 0.7 GeV lower than the 0--. If we use m(b) = 4.8 GeV, the mass of the 1-+ b (b) over bar g state is (10.75+/-0.20) GeV, which is the lightest exotic hybrid quarkonium. [S0556-2821(99)50315-9].
收录类别: SCI
WOS记录号: WOS:000081836300004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13110
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Zhu, SL. Hybrid quarkonium masses up to the order of 1/m(Q)[J]. PHYSICAL REVIEW D,1999,60(3):-.
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