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Hi, concerning the question from yesterday's meeting, where the Sigmas and Lambdas (on the signal side in signal MC) come from: In all the decays I checked they seem to come from a X_u decay from B -> Xu l nu and I found 23 decays of this kind (containing either a Sigma+, Sigma- or Lambda0 on the signal side) in the 100000 events I looked at (I used the non-reweighted vubmix). Kerstin