Energy Photon Flux [ph/cm^2 s MeV] 50 MeV 1.5E-07 120 MeV 9.0E-09 200 MeV 1.5E-09 400 MeV 2.0E-10 800 MeV 3.0E-11 2.0 GeV 1.2E-11 8.0 GeV 3.0E-12