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Neutron attenuation coefficients for non-invasive quantification of wood properties

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Academic year: 2021

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Figure

Figure 1 Simplified visualisation of the transmission measure- measure-ment: the incident neutron beam with the intensity I 0 is led on a sample with the thickness z
Figure 4 Correction of a typical neutron image (left: sample of Makassar ebony; right: sample of obeche)
Table 2 Theoretical microscopic cross-sections and attenuation coefficients for a simplified physical model of wood (density 0.6 g/cm 3 ) at the imaging beam-lines NEUTRA (thermal spectrum) and ICON (cold spectrum);
Figure 5 Attenuation coefficient S w thermal spectrum (NEU- (NEU-TRA) x of beech and spruce samples over the density; S without scattering correction: crosses; S with scattering corrections:
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