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GEANT4 simulations for low energy proton computerized tomography

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
68
Identifiers
DOI: 10.1016/j.apradiso.2009.10.023
Keywords
  • Proton Beams
  • Computerized Tomography
  • Geant4
Disciplines
  • Mathematics
  • Medicine

Abstract

Abstract This work presents the recent results of computer simulations for the low energy proton beam tomographic scanner installed at the cyclotron CV-28 of IEN/CNEN. New computer simulations were performed in order to adjust the parameters of previous simulation within the first experimental results and to understand some specific effects that affected the form of the final proton energy spectra. To do this, the energy and angular spread of the initial proton beam were added, and the virtual phantom geometry was specified more accurately in relation to the real one. As a result, a more realistic view on the measurements was achieved.

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