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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Decoding the X(5568) as a Fully Open-Flavor su(b)over-bar(d)over-bar Tetraquark State
其他题名: Decoding the X (5568) as a Fully Open-Flavor su b d Tetraquark State
作者: Chen, W; Chen, HX; Liu, X(刘翔); Steele, TG; Zhu, SL
收录类别: SCIE ; EI
出版日期: 2016-07-06
刊名: PHYSICAL REVIEW LETTERS
卷号: 117, 期号:2
英文摘要: We investigate the recent evidence for a charged X(5568) meson as an exotic open-flavor tetraquark state su (b) over bar(d) over bar with J(P) = 0(+)/1(+) in the framework of QCD sum rules. We use the color antisymmetric [(3) over bar (c)](su) circle times [3(c)]((b) over bar(d) over bar) tetraquark currents in both scalar and axial-vector channels to perform evaluations and numerical analyses. Our results imply that the X(5568) can be interpreted as both the scalar su (b) over bar(d) over bar tetraquark state and the axial-vector one, which are in good agreement with the experimental measurement. We also discuss the possible decay patterns of the X(5568) and suggest to search for its neutral partner in the radiative decay into B-s(0)gamma and B-s*gamma, which can be used to determine its spin-parity quantum numbers. Moreover, we predict its charmed partner state around 2.55 GeV with the quark content su (c) over bar(d) over bar and J(P) = 0(+)/1(+).
作者部门: [Chen, Wei] Univ Saskatchewan, Dept Phys & Engn Phys, Saskatoon, SK S7N 5E2, Canada ; [Chen, Hua-Xing] Beihang Univ, Sch Phys, Beijing 100191, Peoples R China ; [Chen, Hua-Xing] Beihang Univ, Beijing Key Lab Adv Nucl Mat & Phys, Beijing 100191, Peoples R China ; [Liu, Xiang] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China ; [Liu, Xiang] Lanzhou Univ & Inst Modern Phys CAS, Res Ctr Hadron, Lanzhou 730000, Peoples R China ; [Liu, Xiang] Lanzhou Univ & Inst Modern Phys CAS, CSR Phys, Lanzhou 730000, Peoples R China ; [Zhu, Shi-Lin] Peking Univ, Sch Phys, Beijing 100871, Peoples R China ; [Zhu, Shi-Lin] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China ; [Zhu, Shi-Lin] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China ; [Zhu, Shi-Lin] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
通讯作者: Chen, HX (reprint author), Beihang Univ, Sch Phys, Beijing 100191, Peoples R China. ; Chen, HX (reprint author), Beihang Univ, Beijing Key Lab Adv Nucl Mat & Phys, Beijing 100191, Peoples R China.
学科分类: Physics
文章类型: Article
所属项目编号: Natural Sciences and Engineering Research Council of Canada (NSERC) ; National Natural Science Foundation of China [11205011, 11375024, 11222547, 11175073, 11575008, 11261130311] ; Ministry of Education of China (the Fundamental Research Funds for the Central Universities) ; 973 program ; National Youth Top-notch Talent Support Program ("Thousands-of-Talents Scheme")
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金 ; 加拿大自然科学和工程研究理事会项目
项目资助者: NSFC ; LZU ; NSERC
语种: 英语
DOI: 10.1103/PhysRevLett.117.022002
ISSN号: 0031-9007
WOS记录号: WOS:000379728400005
EI记录号: 20162902598863
IR记录号: WOS:000379728400005
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181636
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Chen, W,Chen, HX,Liu, X,et al. Decoding the X(5568) as a Fully Open-Flavor su(b)over-bar(d)over-bar Tetraquark State[J]. PHYSICAL REVIEW LETTERS,2016,117(2).
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