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We present a method for identifying $H\rightarrow WW^* \rightarrow \ell \nu jj$ in the presence of large Standard Model backgrounds and illustrate how thisdecay mode may be applied to the study of Bell-type Inequalities. Our findingsreveal the feasibility of complete reconstruction of such Higgs decays and theefficacy of our suggested combination of selection criteria in effectivelymitigating the otherwise overwhelming backgrounds. Our approach is based on acombination of bottom and charm tagging, alongside innovative reconstructiontechniques. A realistic simulation based on publicly available objectidentification, reconstruction, and tagging efficiencies from the ATLASexperiment is used to explore the potential sensitivity to violations of theCollins-Gisin-Linden-Massar-Popescu (CGLMP) inequality in existing and expectedfuture data collected at the Large Hadron Collider (LHC). It is found that, theproposed method provides a powerful means of distinguishing the Higgs decaymode from the background, allowing us to achieve an expectation ofapproximately 3$\sigma$ significance in detecting violations of theseinequalities with 300 $fb^{-1}$ of data, soon-to-be collected by LHC.

Isolating semi-leptonic $H\rightarrow WW^{*}$ decays for Bell inequality tests