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题名: More hidden heavy quarkonium molecules and their discovery decay modes
作者: Li, G ;  Liu, XH ;  Zhou, Z
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:5, 页码:54006
关键词: ELEMENTARY PARTICLE ;  BOUND-STATE ;  TRANSITIONS ;  J/PSI
学科分类: Physics
DOI: 10.1103/PhysRevD.90.054006
通讯作者: Li, G (reprint author), Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China.
部门归属: [Li, Gang ;  Zhou, Zhu] Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China ;  [Liu, Xiao Hai] Peking Univ, Dept Phys, Beijing 100871, Peoples R China ;  [Liu, Xiao Hai] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China ;  [Li, Gang] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: To validate the molecular description of the observed Z(b)(10610)/Z(b)(10650) and Z(c)(3900)/Z(c)(4025), it is valuable to investigate their counterparts, denoted as Z(QV)(()'()) in this work, and the corresponding decay modes. In this work, we present an analysis of the Z(QV)(()'()) using flavor symmetry. We also use the effective Lagrangian based on the heavy quark symmetry to explore the rescattering mechanism and calculate the partial widths for the isospin conserved channels Z(QV)(()'()) -> eta V-Q. The predicted partial widths are of an order of MeV for Z(QV) -> eta V-Q which corresponds to branching ratios of the order 10(-2) similar to 10(-1). For Z(QV)' -> eta V-Q, the partial widths are a few hundreds of keV and the branching ratios are about 10(-3). Future experimental measurements can test our predictions on the partial widths and thus examine the molecule description of heavy quarkoniumlike exotic states.
资助者: National Natural Science Foundation of China [11275113]; China Postdoctoral Science Foundation [2013M530461]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000341264900005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15660
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Li, G,Liu, XH,Zhou, Z. More hidden heavy quarkonium molecules and their discovery decay modes[J]. PHYSICAL REVIEW D,2014,90(5):54006.
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