Knowledge Management System of Institute of Theoretical Physics, CAS
Shi, Pan-Pan; Zhang, Zhen-Hua; Guo, Feng-Kun ; Yang, Zhi2
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| D+D- hadronic atom and its production in pp and p(p)over-bar collisions | |
| Source Publication | PHYSICAL REVIEW D
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| Language | 英语 |
| Keyword | LOW-ENERGY PENTAQUARK K+K |
| Abstract | There must be Coulomb bound states of a pair of hadrons, which are stable against the strong interaction, with opposite electric charges. Such bound states are hadronic atoms. We study the properties and the production of the ground-state D+D- hadronic atom A(D+D-), called dionium, with quantum numbers J(PC) = 0(++). Using a nonrelativistic effective field theory for the D-0(D) over bar (0)-D+D- coupled-channel system, the mass of the ground-state dionium is predicted to be (3739.3 +/- 0.1) MeV, with the binding energy reduced by about 10% compared to the Coulomb binding energy due to the strong interaction. Its width for the decay into the neutral D-0(D) over bar (0) channel is predicted to be 1.8(-0.6)(+1.4) keV using lattice inputs for the D (D) over bar strong interaction. The cross section for the inclusive prompt production of the dionium at CMS and LHCb and that for the direct production p (p) over bar -> A(D+D-) at PANDA are estimated at an order-of-magnitude level. In particular, we expect that O(10(3)-10(5)) events of the reaction chain p (p) over bar -> A(D+D-) -> D0 (D) over bar (0) -> K-pi K-+(+)pi(-) can be collected at PANDA, and valuable information on the charmed meson interaction and on understanding charmoniumlike states will be obtained. |
| 2022 | |
| ISSN | 2470-0010 |
| Volume | 105Issue:3Pages:34024 |
| Cooperation Status | 国内 |
| Subject Area | Astronomy & Astrophysics ; Physics |
| MOST Discipline Catalogue | Astronomy & Astrophysics ; Physics, Particles & Fields |
| DOI | 10.1103/PhysRevD.105.034024 |
| Indexed By | SCIE |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.itp.ac.cn/handle/311006/27722 |
| Collection | SCI期刊论文 |
| Affiliation | 1.Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China 3.Univ Elect Sci & Technol China, Sch Phys, Chengdu 610054, Peoples R China |
| Recommended Citation GB/T 7714 | Shi, Pan-Pan,Zhang, Zhen-Hua,Guo, Feng-Kun,et al. D+D- hadronic atom and its production in pp and p(p)over-bar collisions[J]. PHYSICAL REVIEW D,2022,105(3):34024. |
| APA | Shi, Pan-Pan,Zhang, Zhen-Hua,Guo, Feng-Kun,&Yang, Zhi.(2022).D+D- hadronic atom and its production in pp and p(p)over-bar collisions.PHYSICAL REVIEW D,105(3),34024. |
| MLA | Shi, Pan-Pan,et al."D+D- hadronic atom and its production in pp and p(p)over-bar collisions".PHYSICAL REVIEW D 105.3(2022):34024. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| D+D- hadronic atom a（417KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | Application Full Text | |
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