Potential of a Tevatron Tripler

We explore the capabilities for new physics discovery in proton-antiproton collisions at 5.4 TeV center-of-mass energy with luminosity 10 33 cm −2 s −1 at a Tripler upgrade of the Tevatron collider. The prospects are robust for the usual Higgs boson and supersymmetry benchmarks. With an integrated luminosity of 40 fb −1 , discoveries at 5σ could be made for a standard Higgs boson of mass < ∼ 680 GeV (600 GeV for 10 fb −1), a lighter chargino of mass < ∼ 380 GeV, and an extra Z boson of mass < ∼ 2.6 TeV; four-fermion contact interactions from new physics with scale < ∼ 74 TeV could be excluded at the 95% confidence level.