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题名: Spectrum for heavy quarkonia and mixture of the relevant wave functions within the framework of Bethe-Salpeter equation
作者: Chang ChaoHsi ;  Wang GuoLi
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2010
卷号: 53, 期号:11, 页码:2005-2018
关键词: DECAY CONSTANTS ;  MESONS ;  MODEL ;  CHARMONIUM
学科分类: Physics
通讯作者: Chang, CH , Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
部门归属: [Chang, CH; Wang, GL] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China; [Chang, CH] CCAST, World Lab, Beijing 100190, Peoples R China; [Chang, CH] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Chang, CH] Chongqing Univ, Dept Phys, Chongqing 400044, Peoples R China
英文摘要: Considering the fact that some excited states of the heavy quarkonia (charmonium and bottomonium) are still missing in experimental observations and potential applications of the relevant wave functions of the bound states, we re-analyze the spectrum and the relevant wave functions of the heavy quarkonia within the framework of Bethe-Salpeter (B.S.) equation with a proper QCD-inspired kernel. Such a kernel for the heavy quarkonia, relating to potential of the non-relativistic quark model, is instantaneous, so we call the corresponding B.S. equation as BS-In equation throughout the paper. Particularly, a new way to solve the B.S. equation, which is different from the traditional ones, is proposed here, and with it not only the known spectrum for the heavy quarkonia is re-generated, but also an important issue is brought in, i.e., the obtained solutions of the equation 'automatically' include the 'fine', 'hyperfine' splittings and the wave function mixture, such as S-D wave mixing in J (PC) = 1(--) states, P-F wave mixing in J (PC) = 2(++) states for charmonium, bottomonium etc. It is pointed out that the best place to test the wave mixture probably is at Z-factory (e (+) e (-) collider running at Z-boson pole with extremely high luminosity).
资助者: National Natural Science Foundation of China[10847001, 10875155, 10675038, 10875032]; Chinese Academy of Sciences[KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000283558000012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5017
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Chang ChaoHsi,Wang GuoLi. Spectrum for heavy quarkonia and mixture of the relevant wave functions within the framework of Bethe-Salpeter equation[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2010,53(11):2005-2018.
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