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On the physical contents of the light-cone QCD effective Hamiltonian on meson sector
Wang, SJ; Li, L; Zhou, SG; Zhang, GB; Wang, SJ , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China
2006
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号23期号:6页码:1426-1429
摘要To explore the physical contents of the light-cone QCD effective Hamiltonian on meson sector, the mass spectra of flavour off-diagonal mesons consisting of (u,d,s,c,b) quarks and mesons consisting of heavy quarks cc and bb are calculated relativistically and nonperturbatively. Numerical results show that the present light-cone QCD effective Hamiltonian without confining potentials and flavour mixing interactions can well describe the ground states but can not apply for the excited states of the mesons. This result may imply that (i) the confining potential is indispensable for the excited states of mesons, (ii) the valence quark qq subspace is only valid for ground states but not for excited states. The above information may be significant for improving the light-cone QCD effective Hamiltonian approach, especially showing the urgent need to implement a confining potential and to enlarge the subspace of the meson sector for a more appropriate description of the excited states of the mesons.
部门归属Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
关键词Dynamics
学科领域Physics
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收录类别SCI
WOS记录号WOS:000238406300019
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5980
专题理论物理所SCI论文
通讯作者Wang, SJ , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China
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GB/T 7714
Wang, SJ,Li, L,Zhou, SG,et al. On the physical contents of the light-cone QCD effective Hamiltonian on meson sector[J]. CHINESE PHYSICS LETTERS,2006,23(6):1426-1429.
APA Wang, SJ,Li, L,Zhou, SG,Zhang, GB,&Wang, SJ , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China.(2006).On the physical contents of the light-cone QCD effective Hamiltonian on meson sector.CHINESE PHYSICS LETTERS,23(6),1426-1429.
MLA Wang, SJ,et al."On the physical contents of the light-cone QCD effective Hamiltonian on meson sector".CHINESE PHYSICS LETTERS 23.6(2006):1426-1429.
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