"Physics - Looking for the Invisible at Colliders " The stringency of these results is predicated on the hypothesis that the Higgs boson and dark matter can interact. We have no evidence to that effect, so caveat emptor. Nonetheless, what a strike at the dark matter problem from collider physics.
http://physics.aps.org/synopsis-for/10.1103/PhysRevLett.112.041802?referer=rss