Speaker
Marco Trovato
(INFN, Pisa)
Description
Studying diboson associated production in a final state with a lepton, neutrino, and bb-pair is important since the event topology of this process is the same as expected for associated production of a W and a Standard Model light-Higgs boson. Thus, we consider the search for Diboson production as a preliminary step towards the Higgs discovery. Here we present a search for WW/WZ in events with a lepton, missing transverse energy, and b-quark jets. A first attempt to improve the QCD and W+jets background modeling in this sample will be presented. In addition a new multivariate tagger to distinguish b-quark jets from light-quark jets is introduced. This study is an application of one of the diboson search methods discussed by V. Rusu. We expressly require events with a leptonically decayed W, and search for associated b-jets.
