Journal article
Measurements of inclusive semileptonic branching fractions of b hadrons in Z0 decays
G Abbiendi, K Ackerstaff, G Alexander, J Allison, N Altekamp, KJ Anderson, S Anderson, S Arcelli, S Asai, SF Ashby, D Axen, G Azuelos, AH Ball, E Barberio, RJ Barlow, JR Batley, S Baumann, J Bechtluft, T Behnke, KW Bell Show all
European Physical Journal C | SPRINGER | Published : 2000
Abstract
Abstract. A measurement of inclusive semileptonic branching fractions of b hadrons produced in Z$$^0$$ decays is presented. An enriched Z$$^0 \to \mathrm{b \bar b}$$ sample is obtained with a lifetime flavour-tagging technique. The leptonic events are then selected from this sample, and classified according to their origin, which is determined by comparing the distribution of several kinematic variables using artificial neural network techniques. Using 3.6 million multihadronic events collected with the OPAL detector at energies near the Z$$^0$$ resonance, the values\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym}..
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