Phys. Rev. D 64, 075002 (2001) [21 pages]Probing models with near degeneracy of the chargino and lightest supersymmetric particle at a linear e+e- colliderReceived 25 April 2001; published 4 September 2001 For some choices of soft supersymmetry-breaking parameters, the lighest supersymmetric particle is a stable neutralino χ̃10 that is almost degenerate in mass with the lightest chargino χ̃1± (Δmχ̃≡mχ̃1±-mχ̃10∼mπ-few GeV), and all other sparticles are relatively heavy. We discuss the potential of a √s∼600GeV e+e- collider for studying such models. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.64.075002
DOI:
10.1103/PhysRevD.64.075002
PACS:
12.60.Jv, 11.30.Pb, 13.10.+q, 14.80.Ly
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