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Updated: Jul 6, 2026

A Basic Positron Emission Tomography System Constructed to Locate a Radioactive Source in a Bi-dimensional Space
Published on: February 1, 2016
Experimental characterization and Monte Carlo simulation of Si(Li) detector efficiency by radioactive sources and
M Mesradi1, A Elanique, A Nourreddine
1Institut Pluridisciplinaire Hubert-Curien, UMR 7178 CNRS/IN2P3 et Université Louis Pasteur, Strasbourg Cedex 2, France.
Abstract:
This work relates to the study and characterization of the response function of an X-ray spectrometry system. The intrinsic efficiency of a Si(Li) detector has been simulated with the Monte Carlo codes MCNP and GEANT4 in the photon energy range of 2.6-59.5keV. After finding it necessary to take a radiograph of the detector inside its cryostat to learn the correct dimensions, agreement within 10% between the simulations and experimental measurements with several point-like sources and PIXE results was obtained.
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