Measurements of the total hadronic cross section in e+e- annihilation are
shown to be capable of severely limiting the possibility that gauginos have
negligible tree level masses. A combined analysis of 1997 and earlier LEP data,
considering simultaneously conventional SUSY signatures and purely hadronic
final states, should achieve a 95% cl sensitivity to the case that the SU(2)
and U(1) gauginos are massless. If integrated luminosity targets are achieved,
it should also be possible to exclude the case that the wino or wino and gluino
are light while the bino is heavy, except possibly for a small region of mu,
tan beta. The analysis applies whether or not R-parity is conserved, and can
also be used to reduce the model-dependence of conventional SUSY searches.Comment: Updated with references to new experimental limits and more detailed
discussion of mixed final states. 14 pages text; 3 fig
