Reach of the Fermilab Tevatron for minimal supergravity in the region of large scalar masses

Abstract

The reach of the Fermilab Tevatron for supersymmetric matter has been calculated in the framework of the minimal supergravity model in the clean trilepton channel. Previous analyses of this channel were restricted to scalar masses m_0<= 1 TeV. We extend the analysis to large values of scalar masses m_0\sim 3.5 TeV. This includes the compelling hyperbolic branch/focus point (HB/FP) region, where the superpotential μparameter becomes small. In this region, assuming a 5σ(3σ) signal with 10 (25) fb^{-1} of integrated luminosity, the Tevatron reach in the trilepton channel extends up to m_{1/2}\sim 190 (270) GeV independent of \tanβ. This corresponds to a reach in terms of the gluino mass of m_{\tg}\sim 575 (750) GeV.

11 page latex file including 6 EPS figures; several typos corrected and references added

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