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Spectra of the lightest baryons containing two heavy quarks in a potential model
Tong, SP; Ding, YB; Guo XH(郭新恒); Guo, XH; Jin, HY; Li, XQ; Shen, PN; Zhang, R
2000
发表期刊PHYSICAL REVIEW D
卷号62期号:5页码:54024
通讯作者Acad Sinica, USTC Beijing, Grad Sch, Beijing 100039, Peoples R China ; Univ Milan, Ist Nazl Fis Nucl, Dept Phys, I-20133 Milan, Italy ; Univ Adelaide, Dept Phys & Math Phys, Adelaide, SA 5005, Australia ; Univ Adelaide, Special Res Ctr Subatom Struct Matter, Adelaide, SA 5005, Australia ; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China ; Univ Mainz, Dept Phys, D-6500 Mainz, Germany ; CCAST, World Lab, Beijing 100080, Peoples R China ; Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China
摘要The spectra of baryons which include two heavy quarks can be treated as a two-body system, where the two heavy quarks constitute a bosonic diquark. We derive the effective potential between the light quark and the heavy diquark in terms of the Bethe-Salpeter equation. To obtain the spectra, several serious problems need to be solved: (1) the operator ordering, (2) the errors caused by the nonrelativistic expansion, (3) spin-spin coupling, and (4) the mixing between the scalar-diquark-baryon and vector-diquark-baryon. In this work we take reasonable approaches to deal with them.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.62.054024
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000089022500050
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被引频次:37[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/311005/240669
专题理论物理室
作者单位中国科学院高能物理研究所
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Tong, SP,Ding, YB,Guo XH,et al. Spectra of the lightest baryons containing two heavy quarks in a potential model[J]. PHYSICAL REVIEW D,2000,62(5):54024.
APA Tong, SP.,Ding, YB.,郭新恒.,Guo, XH.,Jin, HY.,...&Zhang, R.(2000).Spectra of the lightest baryons containing two heavy quarks in a potential model.PHYSICAL REVIEW D,62(5),54024.
MLA Tong, SP,et al."Spectra of the lightest baryons containing two heavy quarks in a potential model".PHYSICAL REVIEW D 62.5(2000):54024.
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