Tag: gamma ray astronomy

• How a dark matter signal can vanish

  Last year, scientists looking at data from the orbiting Fermi gamma ray observatory announced they found a possible signal of dark matter particles annihilating each other near the center of the Milky Way. The signal consisted of a spike in the number of gamma ray photons around 130 billion electron volts (130 GeV) in energy. […]

  Matthew R. Francis

  May 30, 2013

  Astronomy, Astronomy, Physics, and Related Fields, Cosmology

  dark matter, gamma ray astronomy, particle physics, WIMPs