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Chen, Y; Gong, M; Lei, YH; Li, N; Liang, J; Liu, C; Liu, JL; Liu, YF; Liu, YB; Liu, ZF; Ma, JP; Wang, ZL; Zhang, JB; Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractIn this paper, low-energy scattering of the (D*(D) over bar*)(+/-) meson system is studied within Luscher's finite-size formalism using N-f = 2 twisted-mass gauge field configurations. With three different pion mass values, the s-wave threshold scattering parameters-namely the scattering length a(0) and the effective range r(0)-are extracted in the J(PC) = 1(+-) channel. Our results indicate that, in this particular channel, the interaction between the two vector charmed mesons is weakly repulsive in nature and hence it does not support the possibility of a shallow bound state for the two mesons, at least for the pion mass values being studied. However, these results might suffer from undetermined systematic errors due to low-lying states ignored in this exploratory study. Still, it provides some useful information on the nature of the newly discovered resonance-like structure Z(c)(4025) observed in various experiments.
2015
Volume92Issue:5Pages:54507
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.054507
Indexed BySCI
Funding OrganizationNational Science Foundation of China (NSFC) [11335001, 11275169, 11405178, 11105153] ; National Science Foundation of China (NSFC) [11335001, 11275169, 11405178, 11105153] ; National Science Foundation of China (NSFC) [11335001, 11275169, 11405178, 11105153] ; National Science Foundation of China (NSFC) [11335001, 11275169, 11405178, 11105153] ; DFG ; DFG ; DFG ; DFG ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; Youth Innovation Promotion Association of CAS [2013013, 2011013] ; Youth Innovation Promotion Association of CAS [2013013, 2011013] ; Youth Innovation Promotion Association of CAS [2013013, 2011013] ; Youth Innovation Promotion Association of CAS [2013013, 2011013]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20855
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLiu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
Chen, Y,Gong, M,Lei, YH,et al. Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)[J]. PHYSICAL REVIEW D,2015,92(5):54507.
APA Chen, Y.,Gong, M.,Lei, YH.,Li, N.,Liang, J.,...&Liu, C .(2015).Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025).PHYSICAL REVIEW D,92(5),54507.
MLA Chen, Y,et al."Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)".PHYSICAL REVIEW D 92.5(2015):54507.
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