Abstract
The neutron is an ideal probe for elemental composition and structural analysis of samples due to its deep penetration into materials. This feature makes it especially suitable for the non-invasive investigation of bulky samples from geology, material science, crystallography, and archaeometry. PGAI (Prompt Gamma Activation Imaging)—a novel non-destructive, neutron based, two-dimensional, 3-dimensional (2D/3D) elemental imaging method—was invented as an extension of the well-established PGAA (Prompt Gamma Activation Analysis) bulk elemental analysis method, in combination with NR/NT (Neutron Radiography/Tomography). The spatial resolution obtained so far for the elemental imaging part is on the order of 5 mm. Selected experiments will be discussed to highlight the capabilities of this technique, including the analysis of cultural heritage objects. The results obtained can answer questions of historical interest, like the state of craftsmanship during an era, or the authenticity, and/or provenance of the investigated objects, as well as aspects of restoration and conservation procedures.
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Kis, Z., Szentmiklósi, L., Schulze, R., Abraham, E. (2017). Prompt Gamma Activation Imaging (PGAI). In: Kardjilov, N., Festa, G. (eds) Neutron Methods for Archaeology and Cultural Heritage. Neutron Scattering Applications and Techniques. Springer, Cham. https://doi.org/10.1007/978-3-319-33163-8_14
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DOI: https://doi.org/10.1007/978-3-319-33163-8_14
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