Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10730481 | Applied Radiation and Isotopes | 2011 | 5 Pages |
Abstract
We propose a method to identify materials in the dual energy X-ray (DeX) inspection system. This method identifies materials by combining information on the relative proportions T of high-energy and low-energy X-rays transmitted through the material, and the ratio R of the attenuation coefficient of the material when high-energy are used to that when low energy X-rays are used. In Monte Carlo N-Particle Transport Code (MCNPX) simulations using the same geometry as that of the real container inspection system, this T vs. R method successfully identified tissue-equivalent plastic and several metals. In further simulations, the single-shot mode of operating the accelerator led to better distinguishing of materials than the dual-shot system.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
Youngmi Gil, Youngdo Oh, Moohyun Cho, Won Namkung,