Improving the heavy-Higgs-boson two-charged-lepton–two-neutrino signal

If the Higgs scalar boson H⁰ has a mass greater than 600 GeV, severe difficulties have been foreseen in identifying it in pp collisions at the Superconducting Super Collider. We show that the H⁰{→}ZZ signal, with one Z{→}l⁺{l}^{{{-}}}and one Z→νν decay, can be separated from background by selecting events with{l}⁺l^- at the Z mass plus large missing pT plus two jets. This signal is enhanced by using an improved transverse-mass variable.