Inelastic scattering measurements of low-energy x-ray photons by organics, soil, water, and metals

P. Paki Amouzou; M. Gertsenshteyn; T. Jannson; P. Shnitser; G. Savant

doi:10.1117/12.679554

30 August 2006 Inelastic scattering measurements of low energy x-ray photons by organics, soil, water, wood, and metals

P. Paki Amouzou, M. Gertsenshteyn, T. Jannson, P. Shnitser, G. Savant

Proceedings Volume 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII; 63190V (2006) https://doi.org/10.1117/12.679554
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The angular distribution of the inelastic scattering of photons at low energies (≤80 KeV) has been measured in organic material, soil, rocks, wood, steel sheet, and water. The measurements have been performed under air inside an X-ray shield cabinet using X-rays tube as a photon source and a thermoelectrically cooled CdTe detector. Measurements have been taken for both single and combined materials. The contributions of inelastic scattering of photons for the lower Z material in a given configuration have been extracted. The measured signal is primarily Compton scattering. The measured inelastic scattering contributions were compared with the calculated inelastic scattering cross sections according to the Klein-Nishina theory, updated to include a practical energy distribution of an X-ray tube beam. Relatively good agreement was found for all targets under investigation. The slight discrepancy is attributed to photoelectric effect and sample configuration. Present results may act as a guide for optimization of X-ray imaging sensors and in particular of those based on lobster eye X-ray optics suitable for cargo inspection, improvised explosives detection, non-destructive evaluation, and medical imaging.

Citation Download Citation

P. Paki Amouzou, M. Gertsenshteyn, T. Jannson, P. Shnitser, and G. Savant "Inelastic scattering measurements of low energy x-ray photons by organics, soil, water, wood, and metals", Proc. SPIE 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII, 63190V (30 August 2006); https://doi.org/10.1117/12.679554

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KEYWORDS

X-rays

Photons

Scattering

Compton scattering

Sensors

X-ray sources

Laser scattering

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