Collision Cross Sections of Carbon and Hydrogen for Fast Neutrons |
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Page 209
... cm thick and 32.7 cm from the ionization chamber , and the collimator was ... high energies with the lithium target differed from this only in the ... cm . wide , 2.0 cm high , and 0.4 cm thick , screwed tightly to the water- cooled brass ...
... cm thick and 32.7 cm from the ionization chamber , and the collimator was ... high energies with the lithium target differed from this only in the ... cm . wide , 2.0 cm high , and 0.4 cm thick , screwed tightly to the water- cooled brass ...
Page 210
... higher energies this box was omitted , and an 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 ...
... higher energies this box was omitted , and an 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 ...
Page 218
... cm . Th2 [ 3 ( 1 + a ( M | e | ) 3 / h ) ( 1 ) ( 2 ) ( 3 ) E Texp ( 10-24 στ ... higher energies the agreement is not so good as that of the simple Eq . ( 1 ) ... high energy end agree within 7 percent . There may be some significance in ...
... cm . Th2 [ 3 ( 1 + a ( M | e | ) 3 / h ) ( 1 ) ( 2 ) ( 3 ) E Texp ( 10-24 στ ... higher energies the agreement is not so good as that of the simple Eq . ( 1 ) ... high energy end agree within 7 percent . There may be some significance in ...
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