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题名: Coupled-channel effects for the bottomonium with realistic wave functions
作者: Lu, Y ;  Anwar, MN ;  Zou, BS
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 94, 期号:3, 页码:34021
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.94.034021
通讯作者: Lu, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China. ;  Lu, Y (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: With Gaussian expansion method (GEM), realistic wave functions are used to calculate coupled-channel effects for the bottomonium under the framework of P-3(0) model. The simplicity and accuracy of GEM are explained. We calculate the mass shifts, probabilities of the B meson continuum, S - D mixing angles, strong and dielectric decay widths. Our calculation shows that both S - D mixing and the B meson continuum can contribute to the suppression of the vector meson's dielectric decay width. We suggest more precise measurements on the radiative decays of Upsilon(10580) and Upsilon(11020) to distinguish these two effects. The above quantities are also calculated with simple harmonic oscillator (SHO) wave function approximation for comparison. The deviation between GEM and SHO indicates that it is essential to treat the wave functions accurately for near threshold states.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: PAIR-CREATION MODEL ;  FLUX-TUBE BREAKING ;  STRONG DECAYS ;  QUARK-MODEL ;  BBBAR QUARKONIUM ;  MESON DECAYS ;  STATES ;  CCBAR ;  CHROMODYNAMICS ;  CHARMONIUM
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11261130311] ;  CAS-TWAS President's Fellowship ;  DFG [CRC110] ;  NSFC
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21566
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Lu, Y,Anwar, MN,Zou, BS. Coupled-channel effects for the bottomonium with realistic wave functions[J]. PHYSICAL REVIEW D,2016,94(3):34021.
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