${Σ_{Q}Λ_{Q}π}$ Coupling Constant in Light Cone QCD Sum Rules

Details ${Σ_{Q}Λ_{Q}π}$ Coupling Constant in Light Cone QCD Sum Rules ${Σ_{Q}Λ_{Q}π}$ Coupling Constant in Light Cone QCD Sum Rules

2008-11-17

arxiv.org/abs/0811.2695v2

Phys.Rev.D79:056002,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 Pages, 4 Figures and one Table

Scientific paper

10.1103/PhysRevD.79.056002

The strong coupling constants $g_{{\Sigma_{Q}\Lambda_{Q}\pi}}$ ($Q=b$ and $c$) are studied in the framework of the light cone QCD sum rules using the most general form of the baryonic currents. The predicted coupling constants are used to estimate the decay widths for the $\Sigma_{Q}\longrightarrow\Lambda_{Q}\pi$ decays which are compared with the predictions of the other approaches and existing experimental data.

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