Higgsino Cold Dark Matter Motivated by Collider Data

Details Higgsino Cold Dark Matter Motivated by Collider Data Higgsino Cold Dark Matter Motivated by Collider Data

1996-03-18

arxiv.org/abs/hep-ph/9603336v1

Phys.Rev.Lett. 76 (1996) 4458-4461

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figures, LaTeX with epsf

Scientific paper

10.1103/PhysRevLett.76.4458

Motivated by the supersymmetric interpretation of the CDF ee\gamma\gamma plus missing energy event and the reported Z->bb excess at LEP, we analyze the Higgsino as a cold dark matter candidate. We examine the constraints as implied by the collider experiments, and then calculate its relic density. We find that this Higgsino-like lightest supersymmetric particle is a viable cold dark matter candidate (0.05 < Omega h^2 < 1), and we discuss its favorable prospects for laboratory detection.

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