Probing Models with Near Degeneracy of the Chargino and LSP at a Linear e+e- Collider

Abstract

For some choices of soft SUSY--breaking parameters, the LSP is a stable neutralino, the NLSP is a chargino almost degenerate in mass with the LSP (with mass difference $\sim m_{\pi }-$few GeV), and all other sparticles are relatively heavy. We discuss the potential of a $\sqrt{s}\sim 600\gev$ $e^{+}{e}^{-}$ collider for studying such models.

37 pages, 13 figures; revised version includes additional references

References in corpus (1)

• Update of the search for charginos nearly mass-degenerate with the lightest neutralino

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