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Enhancing the heavy Higgs signal with jet-jet profile cuts

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arxiv hep-ph/9303289 v1 pith:5QQCKFVJ submitted 1993-03-22 hep-ph

classification hep-ph
keywords jet-jethiggssignalbackgroundcutsdecayenergyobservables
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The jet-jet profile, or detailed manner, in which transverse energy and mass are distributed around the jet-jet system resulting from the hadronic decay of a $Z$ boson in the process Higgs$\to ZZ$ at a proton-proton collider energy of $40\tev$ is carefully examined. Two observables are defined that can be used to help distinguish the $\ell^+\ell^-$-jet-jet signal from Higgs decay from the ``ordinary'' QCD background arising from the large transverse momentum production of single $Z$ bosons plus the associated jets. By making cuts on these observables, signal to background enhancement factors greater than $100$ can be obtained.

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