Radiation Shielding |
Contents
ATTENUATION OF GAMMA RAYS | 17 |
SOURCES OF GAMMA RADIATION | 61 |
81 | 143 |
Copyright | |
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absorbing absorption activity angle apply approximately assumed atomic attenuation average beam boron build-up calculation capture cement collision concrete considerable considered constant containing core cost cross-section curve density depends determined diffusion direction distance distribution dose duct effect elastic scattering electrons elements emitted energy equal equation experimental expression factor fast neutrons fission flux fraction function gamma radiation gamma rays give given greater half-life heat hydrogen important incident increases infinite intensity iron isotropic lead length less mass material mean measured medium method normal nuclear nucleus observed obtained particles photons Phys physical plane possible practice probability properties quantity range reaction reactor reason reference reflector region removal Report scattering shield shows slab solution spectrum steel strength surface Table theory thermal neutrons thermal shield thickness unit usually volume weight