Search for $WZ$ production in the $\ell \nu b\overline{b}$ final state at CDF

An important search channel for the standard model (SM) Higgs boson comes from associated $WH$ production with subsequent decays of $W \rightarrow \ell \nu$ and $H \rightarrow b\overline{b}$. The resulting final state is shared with SM $WZ$ diboson production which as a significant background necessarily needs to be well-constrained. Thus, using the same techniques as those used in the Higgs search analysis to measure the $WZ$ contribution to our candidate sample serves as an important cross-check. The identification of jets originating from $b$-quarks is an important component of Higgs searches for mass values below 130~GeV/$c^2$. In the context of this search, we present results of an improved, artificial neural network algorithm used to identify $b$-quark jets.