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The bound state corrections to the semileptonic decays of the heavy baryons

I. D'Souza, C. S. Kalman, P. Yu. Kulikov, I. M. Narodetskii

hep-pharXiv:hep-ph/0209045

Abstract

We present an investigation of the lepton energy distributions in the inclusive semileptonic weak decays of heavy baryons performed within a relativistic quark model formulated on the light front (LF). Using the heavy-quark LF distribution functions related to the equal time momentum wave functions taken from the Kalman--Tran--D'Souza model we compute the electron energy spectra and the total semileptonic widths of the LambdaQ and XiQ (Q=c,b) baryons and confront the results with existing data.

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