Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
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Page 207
... reaction with a definite energy threshold as neutron detector . In this case , the most energetic neutrons produced ... reactions . It has been used at 7 Mev by Grahame and Seaborg with Fe56 ( n , p ) Mn56 , at 12 Mev by Salant and ...
... reaction with a definite energy threshold as neutron detector . In this case , the most energetic neutrons produced ... reactions . It has been used at 7 Mev by Grahame and Seaborg with Fe56 ( n , p ) Mn56 , at 12 Mev by Salant and ...
Page 208
... reaction is Be9 + D2 - B10 + n , and the most energetic neu- trons had about 14 - Mev energy . Neutrons from this reaction were used to study three energy intervals between 6 and 11 Mev . They were not used at higher energies because of ...
... reaction is Be9 + D2 - B10 + n , and the most energetic neu- trons had about 14 - Mev energy . Neutrons from this reaction were used to study three energy intervals between 6 and 11 Mev . They were not used at higher energies because of ...
Page 209
... reaction . Therefore a thin paraffin layer ( one in which the protons lost on the average about Mev ) was used , making it possible for the detector to put an upper as well as a lower limit on the working energy interval . The ...
... reaction . Therefore a thin paraffin layer ( one in which the protons lost on the average about Mev ) was used , making it possible for the detector to put an upper as well as a lower limit on the working energy interval . The ...
Common terms and phrases
absorber in front Ageno air cm aluminum absorbers Aluminum window Amaldi angle angular distribution Aoki assumption atoms Bailey beryllium Bocciarelli calculated carbon and hydrogen carbon scatterers cm high cm thick cm² collision cross section computed cyclotron target detector efficiency deuterium deuterons elastic electrical sensitivity energy end energy Mev energy range entered the sensitive experimental results fast neutrons final values front of chamber g/cm² high energies inch inelastic collisions inelastic scattering ionization chamber kev/cm lithium lower limit measured meson method mgm/cm² neutron beam neutron energy interval neutron source neutrons having energies neutrons scattered nuclear nuclei number of coincidences number of neutrons obtained paraffin layer paraffin scatterers peak energy Phys present experiments proton cross section proton energy proton path ratio recoil protons relative standard deviation S-wave scattered neutrons scattering cross section Seaborg sections of carbon sensitive region Sherr Tatel total cross sections total number WILLIAM SLEATOR