Bottomonium states versus recent experimental observations in the QCD-inspired potential model  

作　　者：田维钊 曹璐 杨友昌 陈洪 

机构地区：[1]School of Physical Science and Technology, Southwest University [2]Department of Physics, Zunyi Normal College

出　　处：《Chinese Physics C》2013年第8期1-7,共7页中国物理C（英文版）

基　　金：Supported by National Natural Science Foundation of China (11175146, 11047023, 11265017);Fundamental Research Funds for Central Universities (XDJK2012D005)

摘　　要：In the QCD-inspired potential model where the quark-antiquark interaction consists of the usual one- gluon-exchange and the mixture of long-range scalar and vector linear confining potentials with the lowest order relativistic correction, we investigate the mass spectra and electromagnetic processes of a bottomonium system by using the Gaussian expansion method. It reveals that the vector component of the mixing confinement is anticonfining and takes around 18.51% of the confining potential. Combining the new experimental data released by Belle, BaBar and LHC, we systematically discuss the energy levels of the bottomouium states and make the predictions of the electromagnetic decays for further experiments.In the QCD-inspired potential model where the quark-antiquark interaction consists of the usual one- gluon-exchange and the mixture of long-range scalar and vector linear confining potentials with the lowest order relativistic correction, we investigate the mass spectra and electromagnetic processes of a bottomonium system by using the Gaussian expansion method. It reveals that the vector component of the mixing confinement is anticonfining and takes around 18.51% of the confining potential. Combining the new experimental data released by Belle, BaBar and LHC, we systematically discuss the energy levels of the bottomouium states and make the predictions of the electromagnetic decays for further experiments.

关 键 词：BOTTOMONIUM quark potential model mass spectroscopy Gaussian expansion method 

分 类 号：O572.243[理学—粒子物理与原子核物理]