ITP OpenIR  > 理论物理所2016年知识产出
(D)over-bar Sigma(c)* and (D)over-bar*Sigma(c) interactions and the LHCb hidden-charmed pentaquarks
He, J; He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Div Theoret Phys, Lanzhou 730000, Peoples R China.
2016
发表期刊PHYSICS LETTERS B
卷号753页码:547-551
文章类型Article
摘要Very recently, two hidden-charmed resonances P-c(4380) and P-c(4450) consistent with pentaquark states were observed at the LHCb detector. The two Pcstates locate just below the (D) over bar Sigma(c)* and (D) over bar* Sigma(c) thresholds with mass of gapsabout 5 and 15MeV, respectively. Inspired by this fact we perform a dynamical investigation about the (D) over bar*Sigma(c)(2520) and (D) over bar* Sigma(c)(2455) interactions which are described by the meson exchanges. A bound state which carries spin-parity J(P) = 3/2(-) is produced from the (D) over bar Sigma(c*)(2520) interaction, which is consistent with the P-c(4380) observed at the LHCb detector. From the (D) over bar* Sigma(c)(2455) interaction, a bound state with 5/2(+) is produced, which can be related to the P-c(4450). The results suggest that the P-c(4380) and P-c(4450) are good candidates of (D) over bar* Sigma(c)*(2520) and (D) over bar*Sigma(c)(2455) molecular states, respectively. (C) 2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
关键词Hidden-charmed Pentaquark Hadronic Molecular State The d Sigma(c)* And d*Sigma(c) Interactions The beThe-saltpeter Equation
学科领域Astronomy & Astrophysics ; Physics
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235]
DOIhttp://dx.doi.org/10.1016/j.physletb.2015.12.071
关键词[WOS]CHIRAL DYNAMICS ; DECAYS
收录类别SCI
语种英语
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235]
WOS类目Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21769
专题理论物理所2016年知识产出
通讯作者He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Div Theoret Phys, Lanzhou 730000, Peoples R China.
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He, J,He, J . (D)over-bar Sigma(c)* and (D)over-bar*Sigma(c) interactions and the LHCb hidden-charmed pentaquarks[J]. PHYSICS LETTERS B,2016,753:547-551.
APA He, J,&He, J .(2016).(D)over-bar Sigma(c)* and (D)over-bar*Sigma(c) interactions and the LHCb hidden-charmed pentaquarks.PHYSICS LETTERS B,753,547-551.
MLA He, J,et al."(D)over-bar Sigma(c)* and (D)over-bar*Sigma(c) interactions and the LHCb hidden-charmed pentaquarks".PHYSICS LETTERS B 753(2016):547-551.
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