45 ONCLASSIFIED: SPECTRUM OF NEUTRONS FROX EXPLOSIONS - Page 2 29 January 1947 In conlusion, 1 see no reason for the spectrum of neutrons to be very irregular. The information on scattering and absorpiton cross-section was obtained from LA-140 and Lé-140A. MGH : MK Me. G. iiolloway UNCLASSIFIED