Enhancing the heavy Higgs signal with jet-jet profile cuts

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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16 pages, Univ. Florida IFT-93-3

Scientific paper

10.1103/PhysRevD.48.3167

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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