B semileptonic decays @ DELPHI

Updated results on B semileptonic decays at the DELPHI experiment are presented. Measurements of b-hadron lifetimes, exclusive \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\overline{{\rm B}^0_d} \to {\rm D}^{*+} \ell^- \overline \nu_\ell$\end{document} decays and inclusive moments of the hadronic mass distribution are encompassed here. They focus on a precise determination of the CKM matrix element Vcb.