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He, XG; Wang, W; Zhu, RL; Wang, W (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.; Wang, W (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Production of charmed tetraquarks from B-c and B decays
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Language英语
KeywordHadron Exotics Heavy Flavor b Decays
AbstractHadronic states composed of multi-quark flavors may exist in reality since they are not prohibited by quantum chromodynamics (QCD). Compact four-quark systems of a color singlet are classified as tetraquarks. To understand the properties of these states, more theoretical and experimental efforts are needed. In this work, we study charmed tetraquarks with three light flavors using flavor SU(3) symmetry. States with three different light quarks must be in a (6) over bar or a 15 multiplet. We investigate the production of charmed tetraquarks X-c in B -> X-c((X) over bar (c)) P and B-c -> XcP decays. Whether the states with three light quarks belong to (6) over bar or 15 can be determined by studying various tetraquark B and Bc decays. We demonstrate that the decay amplitudes for these decays can be parametrized by a few irreducible SU(3) invariant amplitudes. We then derive relations for decay widths and charge-parity-violating rate difference, which can be examined experimentally. Although no experimental measurements are available yet, they might be accessed at the ongoing and forthcoming experiments such as LHCb and Belle-II. Measurements of these observables can not only provide useful information for the study of exotics spectroscopy but also provide valuable information towards a better understanding of some non-perturbative aspects of QCD.
2017
Volume44Issue:1Pages:14003
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/0954-3899/44/1/014003
Funding OrganizationNational Natural Science Foundation of China [11575110, 11575111] ; National Natural Science Foundation of China [11575110, 11575111] ; National Natural Science Foundation of China [11575110, 11575111] ; National Natural Science Foundation of China [11575110, 11575111] ; 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 ; MOE Academic Excellent Program [102R891505] ; MOE Academic Excellent Program [102R891505] ; MOE Academic Excellent Program [102R891505] ; MOE Academic Excellent Program [102R891505] ; NCTS ; NCTS ; NCTS ; NCTS ; MOST of ROC [MOST104-2112-M-002-015-MY3] ; MOST of ROC [MOST104-2112-M-002-015-MY3] ; MOST of ROC [MOST104-2112-M-002-015-MY3] ; MOST of ROC [MOST104-2112-M-002-015-MY3] ; Korea Institute for Advanced Study (KIAS) ; Korea Institute for Advanced Study (KIAS) ; Korea Institute for Advanced Study (KIAS) ; Korea Institute for Advanced Study (KIAS)
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22171
CollectionSCI期刊论文
Corresponding AuthorWang, W (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.; Wang, W (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
He, XG,Wang, W,Zhu, RL,et al. Production of charmed tetraquarks from B-c and B decays[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2017,44(1):14003.
APA He, XG,Wang, W,Zhu, RL,Wang, W ,&Wang, W .(2017).Production of charmed tetraquarks from B-c and B decays.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,44(1),14003.
MLA He, XG,et al."Production of charmed tetraquarks from B-c and B decays".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 44.1(2017):14003.
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