Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
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Page 207
... S - wave cross sections computed on the basis of a square well interaction between neutron and proton , and that they agree very well with the " sym- metrical " theory of Rarita and Schwinger . 207 TABLE I. Range of countable protons of ...
... S - wave cross sections computed on the basis of a square well interaction between neutron and proton , and that they agree very well with the " sym- metrical " theory of Rarita and Schwinger . 207 TABLE I. Range of countable protons of ...
Page 217
... S. Seely , and V. W. Cohen , Phys . Rev. 56 , 260 ( 1939 ) . = 8 10 12 14 16 ... wave- length of the neutron beam is small compared to nuclear ' dimensions ... wave = 0.01 COLLISION CROSS SECTIONS 217.
... S. Seely , and V. W. Cohen , Phys . Rev. 56 , 260 ( 1939 ) . = 8 10 12 14 16 ... wave- length of the neutron beam is small compared to nuclear ' dimensions ... wave = 0.01 COLLISION CROSS SECTIONS 217.
Page 218
... S - wave scat- tering cross section . These values are in fairly ( 1 ) good agreement with the experimental results in the low and middle energy range , but above 14 Mev are too small . On the assumption that the S - wave potential well ...
... S - wave scat- tering cross section . These values are in fairly ( 1 ) good agreement with the experimental results in the low and middle energy range , but above 14 Mev are too small . On the assumption that the S - wave potential well ...
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