Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
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Page 207
... neutrons having energies within an interval small compared to the neutron energy , and at any energy produced by an energy heterogeneous source . The results are consistent with those of other observers at the four neutron energies in ...
... neutrons having energies within an interval small compared to the neutron energy , and at any energy produced by an energy heterogeneous source . The results are consistent with those of other observers at the four neutron energies in ...
Page 209
... neutrons produced by the source . In general , therefore , enough Al was put in front of the Li target in the cyclotron to bring about an ap- proximate coincidence of these two energies . Under these conditions , a thick paraffin layer ...
... neutrons produced by the source . In general , therefore , enough Al was put in front of the Li target in the cyclotron to bring about an ap- proximate coincidence of these two energies . Under these conditions , a thick paraffin layer ...
Page 213
... Neutrons which leave the source in such a direction as not to hit the scatterers may be scattered into the detector by nearby objects such as the cyclotron magnet or the water wall . Though the water wall could be expected to absorb ...
... Neutrons which leave the source in such a direction as not to hit the scatterers may be scattered into the detector by nearby objects such as the cyclotron magnet or the water wall . Though the water wall could be expected to absorb ...
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