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题名: Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects
作者: Guo, FK ;  Meissner, UG ;  Yang, Z
刊名: PHYSICS LETTERS B
出版日期: 2016
卷号: 760, 页码:417-421
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2016.07.023
通讯作者: 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.
文章类型: Article
英文摘要: In 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.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: HADRONIC TRANSITIONS ;  DECAYS
收录类别: SCI
项目资助者: DFG ;  NSFC [11261130311] ;  Thousand Talents Plan for Young Professionals ;  Chinese Academy of Sciences President's International Fellowship Initiative [2015VMA076]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21536
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Guo, FK,Meissner, UG,Yang, Z. Hindered magnetic dipole transitions between P-wave bottomonia and coupled-channel effects[J]. PHYSICS LETTERS B,2016,760:417-421.
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