Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
From inside the book
Results 1-3 of 5
Page 208
... small number near the upper energy limit . The H. A. Bethe , Rev. Mod . Phys . 9 , 160 ( 1937 ) . ** For example ... fraction of the neutrons will collide with protons in a layer of paraffin thin enough so that there will be a relatively ...
... small number near the upper energy limit . The H. A. Bethe , Rev. Mod . Phys . 9 , 160 ( 1937 ) . ** For example ... fraction of the neutrons will collide with protons in a layer of paraffin thin enough so that there will be a relatively ...
Page 209
... a thick paraffin layer would do as well as a thin one , since only those protons losing very little energy in the ... small fraction of the neutrons was , for the runs with the Be target 9 cm high , 3 cm wide ( perpendicular to the ...
... a thick paraffin layer would do as well as a thin one , since only those protons losing very little energy in the ... small fraction of the neutrons was , for the runs with the Be target 9 cm high , 3 cm wide ( perpendicular to the ...
Page 214
... a small fraction lose less than 3 Mev . And finally , even if the angular distribution of the inelastically scattered neutrons had a pronounced maximum in the forward direction , the calculations described below show that only a small ...
... a small fraction lose less than 3 Mev . And finally , even if the angular distribution of the inelastically scattered neutrons had a pronounced maximum in the forward direction , the calculations described below show that only a small ...
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