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Dong, Xiang-Kun; Lin, Yong-Hui; Zou, Bing-Song
Prediction of an exotic state around 4240 MeV with J(PC)=1(-+) as the C-parity partner of Y(4260) in a molecular picture
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordDEUTERON STRANGE EXPLANATION MESONS DECAY
AbstractThe possibility of the Y(4260) being the molecular state of D (D) over bar (1) (2420) + c.c. is investigated in the one boson exchange model. It turns out that the potential of J(PC) = 1(--) state formed by D (D) over bar (1) (2420) + c.c. is attractive and strong enough to bind them together when the momentum cutoff Lambda greater than or similar to 1.4 GeV. To produce the Y(4260) with correct binding energy, we need Lambda approximate to 2.25 GeV. Besides, D (D) over bar (1) (2420) + c.c. can also form a state with exotic quantum numbers, J(PC) = 1(-+), and its potential is more attractive than that of the J(PC) = 1(--) state. Therefore, an exotic state with mass around 4240 MeV [called eta(c1)(4240)] is expected to exist. Our estimation of the mass of the J(PC) = 1(-+) state in charmonium region is in agreement with those predicted by the chiral quark model and the lattice QCD. The possible decay modes and their relative widths are estimated and the results suggest that this exotic state can be searched for in eta eta(c) and eta chi(c1) channels.
2020
ISSN2470-0010
Volume101Issue:7Pages:76003
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.101.076003
Indexed BySCIE
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27057
CollectionSCI期刊论文
Affiliation1.[Dong, Xiang-Kun
2.Lin, Yong-Hui
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Cent South Univ, Sch Phys, Changsha 410083, Peoples R China
Recommended Citation
GB/T 7714
Dong, Xiang-Kun,Lin, Yong-Hui,Zou, Bing-Song. Prediction of an exotic state around 4240 MeV with J(PC)=1(-+) as the C-parity partner of Y(4260) in a molecular picture[J]. PHYSICAL REVIEW D,2020,101(7):76003.
APA Dong, Xiang-Kun,Lin, Yong-Hui,&Zou, Bing-Song.(2020).Prediction of an exotic state around 4240 MeV with J(PC)=1(-+) as the C-parity partner of Y(4260) in a molecular picture.PHYSICAL REVIEW D,101(7),76003.
MLA Dong, Xiang-Kun,et al."Prediction of an exotic state around 4240 MeV with J(PC)=1(-+) as the C-parity partner of Y(4260) in a molecular picture".PHYSICAL REVIEW D 101.7(2020):76003.
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