Associated particle imaging instrumentation for future planetary surface missions
| Autor: | A.V. Gavrychenkov, V. N. Shvetsov, E.P. Bogolubov, A. S. Kozyrev, Vladimir I. Zverev, Yu. N. Barmakov, Maxim Litvak, A.V. Nosov, Anton Sanin, D. I. Yurkov, R.R. Bestaev, S.G. Belichenko, I. G. Mitrofanov |
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| Rok vydání: | 2019 |
| Předmět: |
Physics
Nuclear and High Energy Physics Solar System 010504 meteorology & atmospheric sciences Planetary surface Spacecraft business.industry Instrumentation Gamma ray 01 natural sciences Neutron generator Planet Physics::Space Physics 0103 physical sciences Neutron Astrophysics::Earth and Planetary Astrophysics business 010303 astronomy & astrophysics 0105 earth and related environmental sciences Remote sensing |
| Zdroj: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 922:19-27 |
| ISSN: | 0168-9002 |
| DOI: | 10.1016/j.nima.2018.11.050 |
| Popis: | We have conducted ground tests to study the applicability of the Tagged Neutrons Method/Associated Particle Imaging methodology (TNM/API) for the making precise gamma ray spectroscopic measurements onboard lander missions to the Solar system planets. Our analysis was focused on the requirement to distinguish between the spacecraft background and the subsurface signal so as to correctly evaluate the elemental composition of planetary soils. The measurements were performed in a configuration where the gamma spectrometer was surrounded by significant amounts of material that imitated a spacecraft structure. It was found that the TNM/API can substantially suppress the spacecraft background and identify the true intensities of the gamma lines attributed to major soil elements such as O, Na, Mg, Al, Si and Fe and evaluate their concentrations with an accuracy of 2–10%. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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