Fake Dark Matter at Colliders

Details Fake Dark Matter at Colliders Fake Dark Matter at Colliders

2009-01-30

arxiv.org/abs/0901.4796v2

Phys.Rev.D80:015008,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures, revtex; references added

Scientific paper

10.1103/PhysRevD.80.015008

If the dark matter (DM) consists of a weakly interacting massive particle (WIMP), it can be produced and studied at future collider experiments like those at the LHC. The production of collider-stable WIMPs is characterized by hard scattering events with large missing transverse energy. Here we point out that the discovery of this well-characterized DM signal may turn out to be a red herring. We explore an alternative explanation -- fake dark matter -- where the only sources of missing transverse energy are standard model neutrinos. We present examples of such models, focusing on supersymmetric models with R-parity violation. We also briefly discuss means of differentiating fake dark matter from the production of new collider-stable particles.

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