Light asymmetric dark matter from new strong dynamics

Details Light asymmetric dark matter from new strong dynamics Light asymmetric dark matter from new strong dynamics

2011-03-22

arxiv.org/abs/1103.4350v1

Phys.Rev.D84:051703,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figs. (RevTex)

Scientific paper

10.1103/PhysRevD.84.051703

A ~5 GeV `dark baryon' with a cosmic asymmetry similar to that of baryons is a natural candidate for the dark matter. We study the possibility of generating such a state through dynamical electroweak symmetry breaking, and show that it can share the relic baryon asymmetry via sphaleron interactions, even though it has no electroweak interactions. The scattering cross-section on nucleons, estimated in analogy to QCD, is within reach of underground direct detection experiments.

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