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Ferretti, J; Santopinto, E; Anwar, MN; Bedolla, MA
The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb P-c(4380) and P-c(4450) states
Source PublicationPHYSICS LETTERS B
Language英语
KeywordSHORT-DISTANCE ANALYSIS HADRONIC TRANSITIONS HEAVY QUARKS J/PSI SYSTEMS MESON
AbstractWe study baryo-charmonium [eta(c)- and J/psi-N*, eta(c)(2S)-, psi(2S)- and chi(c)(1P)-N] and baryo-bottomonium [eta(b)(2S)-, Upsilon(28)- and chi(b)(1P)-N] bound states, where N is the nucleon and N* a nucleon resonance. In the baryo-quarkonium model, the five qqqQ (Q) over bar quarks are arranged in terms of a heavy quarkonium core, Q (Q) over bar, embedded in light baryonic matter, qqq, with q = u or d. The interaction between the Q (Q) over bar core and the light baryon can be written in terms of the QCD multipole expansion. The spectrum of baryo-charmonium states is calculated and the results compared with the existing experimental data. In particular, we can interpret the recently discovered P-c(4380) and P-c(4450) pentaquarks as psi*(2S)-N and chi(c2)(1P)-N bound states, respectively. We observe that in the baryo-bottomonium sector the binding energies are, on average, slightly larger than those of baryo-charmonia. Because of this, the hidden bottom pentaquarks are more likely to form than their hidden-charm counterparts. We thus suggest the experimentalists to look for five-quark states in the hidden-bottom sector in the 10.4-10.9 GeV energy region. (C) 2018 The Authors. Published by Elsevier B.V.
2019
ISSN0370-2693
Volume789Pages:562-567
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
DOI10.1016/j.physletb.2018.09.047
Indexed BySCIE
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23490
CollectionSCI期刊论文
Affiliation1.[Ferretti, J.
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.[Ferretti, J.] Yale Univ, Ctr Theoret Phys, Sloane Phys Lab, New Haven, CT 06520 USA
4.[Santopinto, E.
5.Bedolla, M. A.] INFN, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Forschungszentrum, Inst Kernphys, Inst Adv Simulat, D-52425 Julich, Germany
8.Forschungszentrum, Julich Ctr Hadron Phys, D-52425 Julich, Germany
9.[Bedolla, M. A.] Univ Michoacana, Inst Fis & Matemat, Edificio C-3,Ciudad Univ, Morelia 58040, Michoacan, Mexico
Recommended Citation
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Ferretti, J,Santopinto, E,Anwar, MN,et al. The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb P-c(4380) and P-c(4450) states[J]. PHYSICS LETTERS B,2019,789:562-567.
APA Ferretti, J,Santopinto, E,Anwar, MN,&Bedolla, MA.(2019).The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb P-c(4380) and P-c(4450) states.PHYSICS LETTERS B,789,562-567.
MLA Ferretti, J,et al."The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb P-c(4380) and P-c(4450) states".PHYSICS LETTERS B 789(2019):562-567.
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