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Guo, FK; Meissner, UG; Yang, Z; Yang, Z (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Yang, Z (reprint author), Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany.; Yang, Z (reprint author), Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany.
Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects
Source PublicationPHYSICS LETTERS B
Language英语
AbstractIn the hindered magnetic dipole transitions of heavy quarkonia, the coupled-channel effects originating from the coupling of quarkonia to a pair of heavy and anti-heavy mesons can play a dominant role. Here, we study the hindered magnetic dipole transitions between two P-wave bottomonia, chi(b)(nP) and h(b)(n'P), with n not equal n'. In these processes the coupled-channel effects are expected to lead to partial widths much larger than the quark model predictions. We estimate these partial widths which, however, are very sensitive to unknown coupling constants related to the vertices chi(b0)(nP)B (B) over bar. A measurement of the hindered M1 transitions can shed light on the coupled-channel dynamics in these transitions and hence on the size of the coupling constants. We also suggest to check the coupled-channel effects by comparing results from quenched and fully dynamical lattice QCD calculations. (C) 2016 Published by Elsevier B.V.
2016
Volume760Pages:417-421
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1016/j.physletb.2016.07.023
Indexed BySCI
Funding OrganizationDFG ; DFG ; DFG ; DFG ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Chinese Academy of Sciences President's International Fellowship Initiative [2015VMA076] ; Chinese Academy of Sciences President's International Fellowship Initiative [2015VMA076] ; Chinese Academy of Sciences President's International Fellowship Initiative [2015VMA076] ; Chinese Academy of Sciences President's International Fellowship Initiative [2015VMA076]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21536
CollectionSCI期刊论文
Corresponding AuthorYang, Z (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Yang, Z (reprint author), Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany.; Yang, Z (reprint author), Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany.
Recommended Citation
GB/T 7714
Guo, FK,Meissner, UG,Yang, Z,et al. Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects[J]. PHYSICS LETTERS B,2016,760:417-421.
APA Guo, FK,Meissner, UG,Yang, Z,Yang, Z ,Yang, Z ,&Yang, Z .(2016).Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects.PHYSICS LETTERS B,760,417-421.
MLA Guo, FK,et al."Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects".PHYSICS LETTERS B 760(2016):417-421.
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