The passage of 1‐MeV photons through thin and thick foils of Al and Pb has been simulated. The results have been used to show the basic properties of the dominant effects in radiation‐matter interaction processes at energies just below 1 MeV. For the interpretation of the data it is necessary to handle total and differential cross sections of the involved processes, as well as the conservation laws, mainly of the Compton effect, whose phenomenology is studied in depth. In particular, the effect of multiple interactions in thick foils is studied and some results of the simulation are compared with suggested theoretical approaches.
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© 1992 American Association of Physics Teachers.
1992
American Association of Physics Teachers
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