A 3D simulation look-up library for real-time airborne gamma-ray spectroscopy
| Autor: | Richard S. Wittman, Jonathan A. Kulisek, Jonathon D. McCall, T. Stewart, Warnick J. Kernan, Carolyn E. Seifert, Sean C. Stave, John E. Schweppe, Ron J. McConn, Erin A. Miller |
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| Rok vydání: | 2018 |
| Předmět: |
Physics
Nuclear and High Energy Physics 010308 nuclear & particles physics business.industry Scattering Astrophysics::High Energy Astrophysical Phenomena Monte Carlo method Radiation 010502 geochemistry & geophysics 3d simulation 01 natural sciences Optics 0103 physical sciences Source localization Leverage (statistics) Gamma spectroscopy business Instrumentation 0105 earth and related environmental sciences Remote sensing |
| Zdroj: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 879:84-91 |
| ISSN: | 0168-9002 |
| Popis: | A three-dimensional look-up library consisting of simulated gamma-ray spectra was developed to leverage, in real-time, the abundance of data provided by a helicopter-mounted gamma-ray detection system consisting of 92 CsI-based radiation sensors and exhibiting a highly angular-dependent response. We have demonstrated how this library can be used to help effectively estimate the terrestrial gamma-ray background, develop simulated flight scenarios, and to localize radiological sources. Source localization accuracy was significantly improved, particularly for weak sources, by estimating the entire gamma-ray spectra while accounting for scattering in the air, and especially off the ground. |
| Databáze: | OpenAIRE |
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