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Higgs Search goes Multivariate

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10 June 2012

Searching for the Higgs boson in the decay channel where the Higgs decays to two W bosons which in turn decay to an electron or a muon together with their corresponding neutrino represents the most sensitive search channel over a wide mass range. Due to the presence of neutrinos, the final state is kinematically under-constraint. In a novel ATLAS analysis, we (and our local collaborators from SFU and UBC) test ATLAS candidate events for the Higgs signal and Standard Model background hypothesis based on Fermi's Golden rule that probes the full dimensionality of the phase space beyond single kinematic observables. Details can be found here.