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arxiv: hep-ph/9709284 · v1 · submitted 1997-09-08 · ✦ hep-ph

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Signatures of Higgs Bosons in the Top Quark Decay Channel at Hadron Colliders

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classification ✦ hep-ph
keywords decayhiggsbosonschannelcorrelationinvariant-massmodeproton
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We analyze some signatures of neutral Higgs bosons, produced in high energy proton (anti)proton collisions, which decay primarily to top quarks. This channel is clouded by a large irreducible $t\bar t$ background. We investigate the $t\bar t$ invariant-mass distribution in the lepton+jets decay mode of $t\bar t$ and a $t\bar t$ spin-spin correlation in the dilepton decay mode. At the LHC such Higgs bosons can be detected in the $t\bar t$ invariant-mass spectrum, and the spin-spin correlation studied by us is also sensitive to a Higgs boson if this particle has a sizeable pseudoscalar component.

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