Hunting for dark matter and new physics with GECCO
Moiseev, A. A.; Profumo, Stefano; Baring, Matthew G.; Longo, Francesco; Coogan, Adam; Morrison, Logan; Stecker, Floyd W.; Bolotnikov, Aleksey; Carini, Gabriella A.; Herrmann, Sven C.; Vigliano, Alessandro Armando; Woolf, Richard S.
Netherlands, Canada, United States, Italy
Abstract
We outline the science opportunities in the areas of searches for dark matter and new physics offered by a proposed future MeV gamma-ray telescope, the Galactic Explorer with a Coded Aperture Mask Compton Telescope (GECCO). We point out that such an instrument would play a critical role in opening up a discovery window for particle dark matter with mass in the MeV or sub-MeV range, in disentangling the origin of the mysterious 511 keV line emission in the Galactic Center region, and in potentially discovering Hawking evaporation from light primordial black holes.