Light cone QCD sum rules study of the semileptonic heavy $\Xi_{Q}$ and $\Xi'_{Q}$ transitions to $\Xi$ and $\Sigma $ baryons

H. Sundu; K. Azizi; Y. Sarac

Light cone QCD sum rules study of the semileptonic heavy Xi_(Q) and Xi'_(Q) transitions to Xi and Sigma baryons

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arxiv 1107.5925 v2 pith:5ZCXBVZ4 submitted 2011-07-29 hep-ph

Light cone QCD sum rules study of the semileptonic heavy Xi_(Q) and Xi'_(Q) transitions to Xi and Sigma baryons

K. Azizi , Y. Sarac , H. Sundu This is my paper

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The semileptonic decays of heavy spin--1/2, $\Xi_{b(c)}$ and $\Xi'_{b(c)}$ baryons to the light spin-- 1/2, $\Xi$ and $\Sigma $ baryons are investigated in the framework of the light cone QCD sum rules. In particular, using the most general form of the interpolating currents for the heavy baryons as well as the distribution amplitudes of the $\Xi$ and $\Sigma $ baryons, we calculate all form factors entering the matrix elements of the corresponding effective Hamiltonians in full QCD. Having calculated the responsible form factors, we evaluate the decay rates and branching fractions of the related transitions.

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