An associated particle imaging system for soil-carbon measurements

Mauricio Ayllon Unzueta; Eoin Brodie; Craig Brown; Cristina Castanha; Charles Gary; Caitlin Hicks Pries; William Larsen; Bernhard Ludewigt; Andrew Rosenstrom; Arun Persaud

doi:10.1117/12.2530704

9 September 2019 An associated particle imaging system for soil-carbon measurements

Mauricio Ayllon Unzueta, Eoin Brodie, Craig Brown, Cristina Castanha, Charles Gary, Caitlin Hicks Pries, William Larsen, Bernhard Ludewigt, Andrew Rosenstrom, Arun Persaud

Author Affiliations +

Proceedings Volume 11114, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI; 111141B (2019) https://doi.org/10.1117/12.2530704
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

We present first results from experimental data showing the capabilities of an Associated Particle Imaging system to measure carbon in soil and other elements. Specifically, we present results from a pre-mixed soil sample containing pure sand (SiO₂) and 4 % carbon by weight. Because the main isotopes of all those three elements emit characteristic high-energy gamma rays following inelastic neutron scattering, it is possible to measure their distribution with our instrument. A 3D resolution of several centimeters in all dimensions has been demonstrated.

Conference Presentation

Citation Download Citation

Mauricio Ayllon Unzueta, Eoin Brodie, Craig Brown, Cristina Castanha, Charles Gary, Caitlin Hicks Pries, William Larsen, Bernhard Ludewigt, Andrew Rosenstrom, and Arun Persaud "An associated particle imaging system for soil-carbon measurements", Proc. SPIE 11114, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI, 111141B (9 September 2019); https://doi.org/10.1117/12.2530704

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