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Radiation Protection Dosimetry Advance Access originally published online on February 3, 2006
Radiation Protection Dosimetry 2005 117(4):447-452; doi:10.1093/rpd/nci034
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© The Author 2006. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Proton radiography applications with MCNP5

J. D. Zumbro*, A. Acuff, J. S. Bull, H. G. Hughes, Richard E. Prael and E. C. Selcow

Los Alamos National Laboratory, Los Alamos, NM 87545, USA

* Corresponding author: zumbro{at}lanl.gov

This paper was part of the proceedings of the ICRS-10 Tenth International Conference on Radiation Shielding/RPS 2004 – Thirteenth ANS Topical Meeting on Radiation Protection and Shielding, Funchal, Madeira Island (Portugal) 9-14 May 2004

A modified version of MCNP5 has been developed to treat continuous-energy proton transport. This work is summarised in companion papers by Hughes et al. and Bull et al. (in these proceedings). An intrinsic part of this development effort has involved testing, verification and validation of a capability for simulating proton radiographs. This paper presents the results of calculations simulating various different test objects and the effects of alternative physics models. The significant physics processes include elastic scattering, multiple coulomb scattering, collisional energy-loss and straggling, magnetic fields and attenuation owing to nuclear interactions. Comparisons with experimental data are presented.


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