VALIDATION OF MONTE CARLO SIMULATED RESULTS FOR PHOTON TRANSPORT IN LEAD AND ALUMINUM SLABS

Y. H. Ngadda, I. O. B. Ewa

Abstract


Experiments were performed to validate Monte Carlo simulated results, generated by employing the PENELOPE code version 2003, for photon transport in lead and aluminum slabs, using the physical photon count rates with a high efficiency NaI(T1) detector. Ratios of results measured with detector for the lead and aluminum slabs of various thicknesses, were tabulated and compared graphically with the Monte Carlo simulated ratios for photon energies of 60Co (1332.502keV), 60Co (1173.238keV), 137Cs (661.660keV) and 241Am (59.537keV) standard sources. Graphical plots of results of the Monte Carlo simulations and the experimental values show a good agreement. This work reveals that Monte Carlo simulation can be employed to replace many laboratory physical experiments, thereby saving time, energy and cost. Also, in the core of a nuclear reactor where the positioning of a physical nuclear detector is not feasible, this alternative to physical laboratory experiment is applicable.


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