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Coupled-channel effects for the bottomonium with realistic wave functions
Lu Y(陆宇); Lu, Y; Anwar, MN; Zou, BS
2016
发表期刊PHYSICAL REVIEW D
卷号94期号:3
通讯作者陆宇
文章类型Article
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.
DOI10.1103/PhysRevD.94.034021
关键词[WOS]PAIR-CREATION MODEL ; FLUX-TUBE BREAKING ; STRONG DECAYS ; QUARK-MODEL ; BBBAR QUARKONIUM ; MESON DECAYS ; STATES ; CCBAR ; CHROMODYNAMICS ; CHARMONIUM
语种英语
WOS记录号WOS:000381412400005
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260661
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Lu Y,Lu, Y,Anwar, MN,et al. Coupled-channel effects for the bottomonium with realistic wave functions[J]. PHYSICAL REVIEW D,2016,94(3).
APA 陆宇,Lu, Y,Anwar, MN,&Zou, BS.(2016).Coupled-channel effects for the bottomonium with realistic wave functions.PHYSICAL REVIEW D,94(3).
MLA 陆宇,et al."Coupled-channel effects for the bottomonium with realistic wave functions".PHYSICAL REVIEW D 94.3(2016).
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