What we can learn from the angular differential rates from semileptonic B→D*ℓνℓ decays

We present a simple approach to the study of semileptonic B→D∗ℓνℓ decays based on the angular distributions of the final state particles only. Our approach is model independent and never requires the knowledge of |Vcb|. By studying such distributions in the case of light leptons, a comparison between results from different datasets from the Belle and BelleII Collaborations and between data and Standard Model calculations is also given for several interesting quantities. A good consistency is observed between some of the experimental results and the theoretical predictions.