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Experimental Implications for a Linear Collider of the SUSY Dark Matter Scenario

This talk presents the detection issues for the lightest slepton \tilde{\tau}_1 at a future e+e- TeV collider given the dark matter constraints set on the SUSY mass spectrum by the WMAP results. Two methods for measuring its mass m_{\tilde{\tau}_1} and the resulting precision on the dark matter density are briefly discussed in the SUSY mSUGRA scenario with R-parity conservation when the mass difference between m_{\tilde{\tau}_1} and that of the lightest neutralino is small (a few GeV). The analysis is performed with TESLA parameters in both head-on and crossing angle modes.