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Wu, J; Liu, YR; Chen, K; Liu, X; Zhu, SL; Liu, YR (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.; Liu, YR (reprint author), Shandong Univ, Key Lab Particle Phys & Particle Irradiat, MOE, Jinan 250100, Peoples R China.; Liu, YR (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Hidden-charm pentaquarks and their hidden-bottom and B-c-like partner states
发表期刊PHYSICAL REVIEW D
语种英语
摘要In the framework of the color-magnetic interaction, we have systematically studied the mass splittings of the possible hidden-charm pentaquarks qqqc (c) over bar (q = u, d, s) where the three light quarks are in a color-octet state. We find that (i) the LHCb P-c states fall in the mass region of the studied system, (ii) most pentaquarks should be broad states since their S-wave open-charm decays are allowed while the lowest state is the J(P) = 1/2 - Lambda-like pentaquark with probably the suppressed eta(c) decay mode only, and (iii) the J(P) = 5/2 - states do not decay through the S wave and their widths are not so broad. The masses and widths of the two LHCb P-c baryons are compatible with such pentaquark states. We also explore the hidden-bottom and B-c-like partners of the hidden-charm states and find the possible existence of the pentaquarks which are lower than the relevant hadronic molecules.
2017
卷号95期号:3页码:34002
学科领域Astronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.95.034002
项目资助者National Natural Science Foundation of China [11175073, 11275115, 11222547, 11261130311] ; National Natural Science Foundation of China [11175073, 11275115, 11222547, 11261130311] ; National Natural Science Foundation of China [11175073, 11275115, 11222547, 11261130311] ; National Natural Science Foundation of China [11175073, 11275115, 11222547, 11261130311] ; 973 program ; 973 program ; 973 program ; 973 program ; National Program for Support of Young Top-notch Professionals ; National Program for Support of Young Top-notch Professionals ; National Program for Support of Young Top-notch Professionals ; National Program for Support of Young Top-notch Professionals
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22131
专题理论物理所科研产出_SCI论文
通讯作者Liu, YR (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.; Liu, YR (reprint author), Shandong Univ, Key Lab Particle Phys & Particle Irradiat, MOE, Jinan 250100, Peoples R China.; Liu, YR (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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Wu, J,Liu, YR,Chen, K,et al. Hidden-charm pentaquarks and their hidden-bottom and B-c-like partner states[J]. PHYSICAL REVIEW D,2017,95(3):34002.
APA Wu, J.,Liu, YR.,Chen, K.,Liu, X.,Zhu, SL.,...&Liu, YR .(2017).Hidden-charm pentaquarks and their hidden-bottom and B-c-like partner states.PHYSICAL REVIEW D,95(3),34002.
MLA Wu, J,et al."Hidden-charm pentaquarks and their hidden-bottom and B-c-like partner states".PHYSICAL REVIEW D 95.3(2017):34002.
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