Attenuation and High Energy Neutron Production Measurements for 190 Mev Deuterons and 340 Mev Protons |
Common terms and phrases
190 Mev deuterons 270 Mev neutrons 30 percent 340 Mev protons 90 millibarns Aamodt Absorber Thickness gms/cm² absorbers Absorber Thickness ATTENUATION AND HIGH barns inelastic barns per steradian barns stripping beam produces approximately beryllium absorbers carbon absorbers carbon target bombarded Charge attenuation measurements charge collected charged secondaries Crosses are experimental curvature Curve A assumes Curve B assumes disc energy neutron production experimental points Faraday cup fit the attenuation forward direction FRACTION OF RANGE Fraction of total graphite high energy neutron inelastic cross section ion chamber Juren Knox measurements for 190 millibarns per steradian neutron flux Phys ping cross section probable error processes which remove protons in uranium protons on beryllium RANGE Fig remove deuterons section at 270 section for beryllium stripped protons stripping cross section theoretical strip theoretical value Thickness gms/cm² Fraction THICKNESS IN FRACTION total deuteron range total range 1/10 uranium absorbers Absorber V. Z. Peterson versus absorber thickness