X-ray backscatter AIT uses a narrow beam of X-ray photons with energies, hv, less than 100 keV. 2 There are five basic interactions that can occur as X rays penetrate material. These are the ...
THE photoelectric effect for -rays in heavy elements has not yet been treated satisfactorily, as it has always been found necessary to assume that Z/1371, where Z is the atomic number, or else that ...
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