Probing mSUGRA Models at Linear Colliders
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A feasibility study of a 500-GeV linear collider is presented for mSUGRA models in co-annihilation region. We find an active mask is critical to suppress $e^+ e^- \to e^+ e^- τ^+ τ^-$ events to probe the models.
4 pages, latex, 1 figure, talk at International Workshop on Linear Colliders - Workshop on Physics and Experiments with Future Electron-Positron Linear Colliders (LCWS2002), Jeju Island, Korea, August 26-30, 2002; Table 3 is updated
4 pages, latex, 1 figure, talk at International Workshop on Linear Colliders - Workshop on Physics and Experiments with Future Electron-Positron Linear Colliders (LCWS2002), Jeju Island, Korea, August 26-30, 2002; Table 3 is updated