Disentangling the nature of resonances in coupled-channel models

CAO Xu

doi:10.1088/1674-1137/39/4/041002

Chinese Physics C> 2015, Vol. 39> Issue(4) : 041002 DOI: 10.1088/1674-1137/39/4/041002

Disentangling the nature of resonances in coupled-channel models

CAO Xu ^1,,

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Abstract：
We present several possible hadronic states found in coupled-channel models within the on-shell approximation. The interaction potential is constructed as a sum of the tree-level Feynman diagrams calculated with the effective Lagrangians. Based on the recent empirical data, we illustrate the possible existence of several baryonic and mesonic states with definite quantum numbers in the model. We give their properties for the purpose of further study and discuss the potential of finding them in future experiments.

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CAO Xu. Disentangling the nature of resonances in coupled-channel models[J]. Chinese Physics C, 2015, 39(4): 041002. doi: 10.1088/1674-1137/39/4/041002

CAO Xu. Disentangling the nature of resonances in coupled-channel models[J]. Chinese Physics C, 2015, 39(4): 041002. doi: 10.1088/1674-1137/39/4/041002 shu

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Received: 2014-05-04
Revised: 2014-10-30

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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

Disentangling the nature of resonances in coupled-channel models

Corresponding author: CAO Xu,

Received Date: 2014-05-04

Accepted Date: 2014-10-30

Available Online: 2015-04-05

Abstract: We present several possible hadronic states found in coupled-channel models within the on-shell approximation. The interaction potential is constructed as a sum of the tree-level Feynman diagrams calculated with the effective Lagrangians. Based on the recent empirical data, we illustrate the possible existence of several baryonic and mesonic states with definite quantum numbers in the model. We give their properties for the purpose of further study and discuss the potential of finding them in future experiments.

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Disentangling the nature of resonances in coupled-channel models

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