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He, J; Lu, PL; He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Nucl Theory Grp, Lanzhou 730000, Peoples R China.
Understanding Y(4274) and X(4320) in the J/psi phi invariant mass spectrum
Source PublicationNUCLEAR PHYSICS A
Language英语
KeywordCharmonium-like Structures Integral-equation 2-fermion System State Decay
AbstractIn this work we study the structures near 4.3 GeV in the J/psi phi invariant mass spectra in B meson decay process B+ -> J/psi phi K+ and two photon fusion process gamma gamma -> J/psi phi. The Y(4274) as a DsDs0 (2317) molecular is studied in the Bethe-Salpeter equation approach with quasipotential approximation. The absence of Y(4274) in gamma gamma -> J/psi phi channel can be well explained by the decay widths of Y(4274) decaying to gamma gamma and J/psi phi. The distribution of mass difference released by CMS Collaboration is reproduced by two resonances near 4.3 GeV, Y(4274) and X(4320). The different production mechanism suggests X(4320) observed in the B decay should be the missing 3(3) P-1 charmonium state chi(c1)'', and different from X(4350) observed in two photon fusion which can be assigned as chi(c2)''. (C) 2013 Elsevier B.V. All rights reserved.
2013
ISSN0375-9474
Volume919Issue:-Pages:1-14
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11275235, 11035006, 10905077]; Chinese Academy of Sciences (the Special Foundation of President) [YZ080425]; Chinese Academy of Sciences (Knowledge Innovation Project) [KJCX2-EW-N01] ; National Natural Science Foundation of China [11275235, 11035006, 10905077]; Chinese Academy of Sciences (the Special Foundation of President) [YZ080425]; Chinese Academy of Sciences (Knowledge Innovation Project) [KJCX2-EW-N01] ; National Natural Science Foundation of China [11275235, 11035006, 10905077]; Chinese Academy of Sciences (the Special Foundation of President) [YZ080425]; Chinese Academy of Sciences (Knowledge Innovation Project) [KJCX2-EW-N01] ; National Natural Science Foundation of China [11275235, 11035006, 10905077]; Chinese Academy of Sciences (the Special Foundation of President) [YZ080425]; Chinese Academy of Sciences (Knowledge Innovation Project) [KJCX2-EW-N01]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15213
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHe, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Nucl Theory Grp, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
He, J,Lu, PL,He, J . Understanding Y(4274) and X(4320) in the J/psi phi invariant mass spectrum[J]. NUCLEAR PHYSICS A,2013,919(-):1-14.
APA He, J,Lu, PL,&He, J .(2013).Understanding Y(4274) and X(4320) in the J/psi phi invariant mass spectrum.NUCLEAR PHYSICS A,919(-),1-14.
MLA He, J,et al."Understanding Y(4274) and X(4320) in the J/psi phi invariant mass spectrum".NUCLEAR PHYSICS A 919.-(2013):1-14.
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