The Spectrum of Diffuse Cosmic Hard X-Rays Measured with HEAO-1

D. E. Gruber, J. L. Matteson, L. E. Peterson +1

The spectrum of the diffuse isotropic component of cosmic X-rays over the 13-180 keV range was determined by the UCSD/MIT Hard X-Ray and Gamma-Ray instrument (HEAO A4) on the High…