An international team of physicists, led by the University of the Witwatersrand (UW) in Johannesburg, South Africa, predicts the existence of a new particle that might aid in the understanding of dark matter. Proton-proton collisions events in which two high energy electrons and two high energy muons are observed. Image credit: L. Taylor / T. McCauley / CERN. Using data from a series of experiments that led to the discovery of Higgs boson at the Large...
