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

TIAN Wei-Zhao; CAO Lu; YANG You-Chang; CHEN Hong

doi:10.1088/1674-1137/37/8/083101

Chinese Physics C> 2013, Vol. 37> Issue(8) : 083101 DOI: 10.1088/1674-1137/37/8/083101

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

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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 bottomonium states and make the predictions of the electromagnetic decays for further experiments.

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TIAN Wei-Zhao, CAO Lu, YANG You-Chang and CHEN Hong. Bottomonium states versus recent experimental observations in the QCD-inspired potential model[J]. Chinese Physics C, 2013, 37(8): 083101. doi: 10.1088/1674-1137/37/8/083101

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Received: 2012-09-14
Revised: 2012-12-11

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author: CHEN Hong,

Received Date: 2012-09-14

Accepted Date: 2012-12-11

Available Online: 2013-08-05

Abstract: 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 bottomonium states and make the predictions of the electromagnetic decays for further experiments.

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

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