First Lattice Study of Semileptonic Decays of Lambdab and Xib Baryons
Abstract
We present the results of the first lattice study of semileptonic decays of baryons containing a b-quark. Predictions for the decay distributions are given and the Isgur-Wise functions for heavy baryons are computed, for values of the velocity transfer up to about omega=1.2. The computations are performed on a 243 x 48 lattice at beta=6.2 using the Sheikholeslami-Wohlert action in the quenched approximation.
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