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Wang, W; Zhu, RL; Zhu, RL (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
Can X(5568) be a tetraquark state?
Source PublicationCHINESE PHYSICS C
Language英语
KeywordExotic State Diquark Tetraquark
AbstractVery recently, the DO collaboration has reported the observation of a narrow structure, X(5568), in the decay process X(5568)-> B-s(0)pi(+/-) using the 10.4fb(-1) data of pp collision at root s = 1.96 TeV. This structure is of great interest since it is the first hadronic state with four different valence quark flavors, b, s, u, d. In this work, we investigate tetraquarks with four different quark flavors. Based on the diquark-antidiquark scheme, we study the spectroscopy of the tetraquarks with one heavy bottom/charm quark and three light quarks. We find that the lowest-lying S-wave state, a tetraquark with the flavor [su] [(b) over bar(d) over bar] and the spin-parity J(P) = 0(+), is about 150 MeV higher than the X(5568). Further detailed experimental and theoretical studies of the spectrum, production and decays of tetraquark states with four different flavors are vital to gain a better understanding of the nature and classification of hadron exotic states.
2016
Volume40Issue:9Pages:93101
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/1674-1137/40/9/093101
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110] ; Natural Science Foundation of Shanghai [15DZ2272100, 15ZR1423100] ; Natural Science Foundation of Shanghai [15DZ2272100, 15ZR1423100] ; Natural Science Foundation of Shanghai [15DZ2272100, 15ZR1423100] ; Natural Science Foundation of Shanghai [15DZ2272100, 15ZR1423100] ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21549
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhu, RL (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
Recommended Citation
GB/T 7714
Wang, W,Zhu, RL,Zhu, RL . Can X(5568) be a tetraquark state?[J]. CHINESE PHYSICS C,2016,40(9):93101.
APA Wang, W,Zhu, RL,&Zhu, RL .(2016).Can X(5568) be a tetraquark state?.CHINESE PHYSICS C,40(9),93101.
MLA Wang, W,et al."Can X(5568) be a tetraquark state?".CHINESE PHYSICS C 40.9(2016):93101.
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