CLASSIFICATION OF THE HADRONIC DECAYS OF THE Z0 INTO B-QUARK AND C-QUARK PAIRS USING A NEURAL NETWORK

Journal article

A classifier based on a feed-forward neural network has been used for separating a sample of about 123 500 selected hadronic decays of the Z0, collected by DELPHI during 1991, into three classes according to the flavour of the original quark pair: uu+dd+ss (unresolved), cc and bb. The classification has been used to compute the partial widths of the Z0 into b and c quark pairs. This gave Γcc/Γh = 0.151 ± 0.008 (stat.) ± 0.041 (syst.), Γbb/Γh = 0.232±0.005 (stat.)±0.017 (syst.). © 1992.

Authors: Abreu, P; Adam, W; Adye, T; Agasi, E; Alekseev, G

• Publication status: Published
• Journal: Physics Letters B
• Volume: 295
• Issue: 3-4
• Pages: 383-395
• Publication date: 1992-12-03
• DOI: 10.1016/0370-2693(92)91580-3
• ISSN: 0370-2693