Strong limits on keV-scale galactic sterile neutrino dark matter with stray light from NuSTAR after 11 years of operation

R. A. Krivonos, V. V. Barinov, A. A. Mukhin +1

Using tremendous photon statistics gained with the stray light aperture of the NuSTAR telescope over 11 years of operation, we set strong limits on the emission of close to monochr…