The gross yields of neutrons produced by 24-Mev deuterons bombarding Be, Cu, Ta, and U and by 12-Mev protons bombarding Be, Cu, and Ta were measured by detecting the neutrons in a solution of MnSO4 that surrounded the targets. The yields were (in neutrons per μcoulomb): 24-Mev deuterons: Be, 1.85×1011; Cu, 0.55×1011; Ta, 0.52×1011; U, 0.73×1011; 12-Mev protons: Be, 4.1×1010; Cu, 0.61×1010; Ta, 0.15×1010.
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An investigation has been made of the angle and energy distri= butions of the high energy charged particles which emerge from beryl~ • liums carbonj and uranium nuclei bombarded by 190 Mev deuteronso The results indicate that the yields can be explained as primarily due to two kinds of processes~ nucleon=nucleon interactions~ and strippingo Under this assumption.~~ the total stripping cross section has been determined to be Oo.35 :t o.-<>3 barns for t~e lighter elements and 2o6 .:!:
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