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{Sigma_(Q)Λ_(Q)π} Coupling Constant in Light Cone QCD Sum Rules

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arxiv 0811.2695 v2 pith:J5CHXU5Y submitted 2008-11-17 hep-ph

{Sigma_(Q)Λ_(Q)π} Coupling Constant in Light Cone QCD Sum Rules

classification hep-ph
keywords couplinglambdasigmaconeconstantslightrulesapproaches
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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Cited by 1 Pith paper

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