Beyond the Standard Model
General arguments for new physics at the EW scale (250 GeV)
Standard Model fits suggest the new physics is weakly coupled
Indirect pointers to supersymmetry
Direct searches all negative so far
LEP2
- squarks (stop, sbottom) > 80-90 GeV
- sleptons (selectron, smuon, stau) > 70-90 GeV
- charginos > 70-90 GeV
- lightest neutralino > 36 GeV
-
Tevatron Run I
- squarks and gluinos
- stop, sbottom
- charginos and neutralinos