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- W2896849846 abstract "The strong coupling constant is an important parameter which can help us to understand the strong decay behaviors of baryons. In our previous work, we have analyzed strong vertices $Sigma_{c}^{*}ND$, $Sigma_{b}^{*}NB$, $Sigma_{c}ND$, $Sigma_{b}NB$ in QCD sum rules. Following these work, we further analyze the strong vertices $Sigma_{c}ND^{*}$ and $Sigma_{b}NB^{*}$ using the three-point QCD sum rules under Dirac structures $q!!!/p!!!/gamma_{alpha}$ and $q!!!/p!!!/p_{alpha}$. In this work, we first calculate strong form factors considering contributions of the perturbative part and the condensate terms $langleoverline{q}qrangle$, $langlefrac{alpha_{s}}{pi}GGrangle$ and $langleoverline{q}g_{s}sigma Gqrangle$. Then, these form factors are used to fit into analytical functions. According to these functions, we finally determine the values of the strong coupling constants for these two vertices $Sigma_{c}ND^{*}$ and $Sigma_{b}NB^{*}$." @default.
- W2896849846 created "2018-10-26" @default.
- W2896849846 creator A5021708927 @default.
- W2896849846 creator A5060185042 @default.
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- W2896849846 date "2018-12-30" @default.
- W2896849846 modified "2023-10-18" @default.
- W2896849846 title "Analysis of the strong vertices of ΣcND∗ and ΣbNB∗ in QCD sum rules" @default.
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- W2896849846 doi "https://doi.org/10.1142/s0217751x18502172" @default.
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