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Lin, YH; Shen, CW; Zou, BS
Decay behavior of the strange and beauty partners of P-c hadronic molecules
发表期刊NUCLEAR PHYSICS A
语种英语
关键词BARYONS
摘要We extend our previous study on the decay behavior of P-c hadronic molecules to their strange and beauty partners. While P-c(4380) and P-c(4450) locate just below the (D) over bar Sigma(c)* and (D) over bar* Sigma(c) thresholds, respectively, their proposed strange partners N (1875) and N (2080) sit just below the K Sigma* and K * Sigma thresholds, respectively. Using the effective Lagrangian approach as the same as for the study of P c hadronic molecular states and with the couplings determined by the SU(3) flavor symmetry, the decay patterns of N (1875) and N(2080) are obtained assuming them to be the S-wave K Sigma* and K* Sigma molecules, respectively. It is found that the measured decay properties of N(1875) and N(2080) are reproduced well. Our results suggest that both N (1875) and N (2080) can be described as the hadronic molecular pentaquark states in the hidden strangeness sector with quantum number I (J(P)) = 1/2(3/2(-)). Further checks on their hadronic molecule nature by various experiments are proposed. With the same approach, we also give our predictions for the decay behavior of the possible beauty partners of the P-c hadronic molecular states. The B* Lambda(b) is found to be the largest decay mode for both B Sigma(b)* and B* Sigma(b) hadronic molecules, hence can be used to look for the hidden beauty pentaquark states in forthcoming experiments. (C) 2018 Elsevier B.V. All rights reserved.
2018
ISSN0375-9474
卷号980页码:21-31
学科领域Physics
学科门类Physics, Nuclear
DOI10.1016/j.nuclphysa.2018.10.001
收录类别SCIE
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22774
专题理论物理所科研产出_SCI论文
作者单位1.[Lin, Yong-Hui
2.Shen, Chao-Wei
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.UCAS, Beijing 100049, Peoples R China
5.Hunan Normal Univ, SICQEA, Changsha 410081, Hunan, Peoples R China
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Lin, YH,Shen, CW,Zou, BS. Decay behavior of the strange and beauty partners of P-c hadronic molecules[J]. NUCLEAR PHYSICS A,2018,980:21-31.
APA Lin, YH,Shen, CW,&Zou, BS.(2018).Decay behavior of the strange and beauty partners of P-c hadronic molecules.NUCLEAR PHYSICS A,980,21-31.
MLA Lin, YH,et al."Decay behavior of the strange and beauty partners of P-c hadronic molecules".NUCLEAR PHYSICS A 980(2018):21-31.
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