Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
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Page 210
... air space of 32.7 cm took the place of some of the aluminum absorber . In this case the center of the proton beam made an angle of 31.4 ° with that of the neutron beam . The minimum proton energy necessary to cause a coincidence is ...
... air space of 32.7 cm took the place of some of the aluminum absorber . In this case the center of the proton beam made an angle of 31.4 ° with that of the neutron beam . The minimum proton energy necessary to cause a coincidence is ...
Page 211
... air cm of its range , so that the least energetic protons which could cause coincidences were those whose paths ended about 0.24 air cm inside the sensitive region of the second chamber . These protons had about 2.5 Mev as they entered ...
... air cm of its range , so that the least energetic protons which could cause coincidences were those whose paths ended about 0.24 air cm inside the sensitive region of the second chamber . These protons had about 2.5 Mev as they entered ...
Page 212
... air press . in atmos . ) Equivalent range in 1st chamber : 8.7 cm × 1.6 × 1.1 ( distanceXO2 press . XO2 st . power ) ... Air distance , collimator to detector Be target ( as in Fig . 1 ) 0.001 inch or 7.35 mgm / cm2 0.001 inch or 7.35 mgm ...
... air press . in atmos . ) Equivalent range in 1st chamber : 8.7 cm × 1.6 × 1.1 ( distanceXO2 press . XO2 st . power ) ... Air distance , collimator to detector Be target ( as in Fig . 1 ) 0.001 inch or 7.35 mgm / cm2 0.001 inch or 7.35 mgm ...
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