Looking for a heavy wino LSP in collider and dark matter experiments

Details Looking for a heavy wino LSP in collider and dark matter experiments Looking for a heavy wino LSP in collider and dark matter experiments

2006-10-06

arxiv.org/abs/hep-ph/0610077v3

Phys.Rev.D75:073014,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

A discussion on non-perturbative effects on annihilation cross section of TeV scale wino LSP added. Version to appear in Phys.

Scientific paper

10.1103/PhysRevD.75.073014

We investigate the phenomenology of a wino LSP as obtained in AMSB and some string models. The WMAP constraint on the DM relic density implies a wino LSP mass of 2.0-2.3 TeV. We find a viable signature for such a heavy wino at CLIC, operating at its highest CM energy of 5 TeV. One also expects a viable monochromatic $\gamma$-ray signal from its pair-annihilation at the galactic centre at least for cuspy DM halo profiles.

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