Heavy-quark spin and flavor symmetry partners of the X(3872) revisited: What can we learn from the one boson exchange model?
文献类型:期刊论文
作者 | Xie, Ju-Jun3; Valderrama, Manuel Pavon1,2,4; Wu, Tian-Wei2; Liu, Ming-Zhu2; Geng, Li-Sheng1,2,4 |
刊名 | PHYSICAL REVIEW D |
出版日期 | 2019-05-15 |
卷号 | 99期号:9页码:18 |
ISSN号 | 2470-0010 |
DOI | 10.1103/PhysRevD.99.094018 |
通讯作者 | Valderrama, Manuel Pavon(mpavon@buaa.edu.cn) |
英文摘要 | Heavy-quark symmetry as applied to heavy hadron systems implies that their interactions are independent of their heavy-quark spin (heavy-quark spin symmetry) and heavy flavor contents (heavy flavor symmetry). In the molecular hypothesis the X(3872) resonance is a 1(++) D* (D) over bar bound state. If this is the case, the application of heavy-quark symmetry to a molecular X(3872) suggests the existence of a series of partner states, the most obvious of which is a possible 2(++) D* (D) over bar* bound state for which the two-body potential is identical to that of the 1(++) D* (D) over bar system, the reason being that these two heavy hadron-prediction of a partner state at 4012 MeV, at least in the absence of other dynamical effects which might affect the location of this molecule. However the prediction of further heavy-quark symmetry partners cannot be made solely on the basis of symmetry and requires additional information. We propose to use the one-boson-exchange model to fill this gap, in which case we will be able to predict or discard the existence of other partner states. Besides the isoscalar 2(++) D* (D) over bar* bound state, we correctly reproduce the location and quantum numbers of the isovector hidden-bottom Z(b) (10610) and Z(b) (10650) molecular candidates. We also predict the hidden-bottom 1(++) B* (B) over bar* and 2(++) B* (B) over bar* partners of the X(3872), in agreement with previous theoretical speculations, plus a series of other states. The isoscalar, doubly charmed 1(+) DD* and D* D* molecules, and their doubly bottomed counterparts are likely to bind, providing a few instances of explicitly exotic systems. |
WOS关键词 | DECAYS ; MESON ; STATES ; CHARMONIUM ; MOLECULES |
资助项目 | National Natural Science Foundation of China[11735003] ; Fundamental Research Funds for the Central Universities ; Youth Innovation Promotion Association CAS[2016367] ; Thousand Talents Plan for Young Professionals |
WOS研究方向 | Astronomy & Astrophysics ; Physics |
语种 | 英语 |
出版者 | AMER PHYSICAL SOC |
WOS记录号 | WOS:000468220300001 |
资助机构 | National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Youth Innovation Promotion Association CAS ; Thousand Talents Plan for Young Professionals |
源URL | [http://119.78.100.186/handle/113462/133589] |
专题 | 中国科学院近代物理研究所 |
通讯作者 | Valderrama, Manuel Pavon |
作者单位 | 1.Beihang Univ, Int Res Ctr Nuclei & Particles Cosmos, Beijing 100191, Peoples R China 2.Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China 3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 4.Beihang Univ, Beijing Key Lab Adv Nucl Mat & Phys, Beijing 100191, Peoples R China |
推荐引用方式 GB/T 7714 | Xie, Ju-Jun,Valderrama, Manuel Pavon,Wu, Tian-Wei,et al. Heavy-quark spin and flavor symmetry partners of the X(3872) revisited: What can we learn from the one boson exchange model?[J]. PHYSICAL REVIEW D,2019,99(9):18. |
APA | Xie, Ju-Jun,Valderrama, Manuel Pavon,Wu, Tian-Wei,Liu, Ming-Zhu,&Geng, Li-Sheng.(2019).Heavy-quark spin and flavor symmetry partners of the X(3872) revisited: What can we learn from the one boson exchange model?.PHYSICAL REVIEW D,99(9),18. |
MLA | Xie, Ju-Jun,et al."Heavy-quark spin and flavor symmetry partners of the X(3872) revisited: What can we learn from the one boson exchange model?".PHYSICAL REVIEW D 99.9(2019):18. |
入库方式: OAI收割
来源:近代物理研究所
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