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Tree Level Semileptonic Sigma_(b) to Nucleon Decay in Light Cone QCD Sum Rules

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arxiv 0907.4774 v1 pith:D5P5LS47 submitted 2009-07-27 hep-ph

Tree Level Semileptonic Sigma_(b) to Nucleon Decay in Light Cone QCD Sum Rules

classification hep-ph
keywords formdecayfactorssigmaconeheavylightnucleon
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Using the most general form of the interpolating current of the heavy spin 1/2, $\Sigma_{b}$ baryon and distribution amplitudes of the nucleon, the transition form factors of the semileptonic $\Sigma_{b}\to Nl\nu$ decay are calculated in the framework of light cone QCD sum rules. It is obtained that the form factors satisfy the heavy quark effective theory relations. The obtained results for the related form factors are used to estimate the decay rate of this transition.

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