Figure 4 | Scientific Reports

Figure 4

From: Non-invasive detection of hazardous materials with a thermal-to-epithermal neutron station: a feasibility study towards practical application

Figure 4

Powder sample of melamine of mass M = 2.298 g (top panels) and mass M = 0.290 g (bottom panels). The total, focused in the proton longitudinal momentum domain, y, proton NMDs (black points and error bars) and NMD fitting curves (solid red green lines) for the Gaussian (shaded green area) and multivariate Gaussian (shaded light green area) NMD models. Additionally, in the left panels, the instrument resolution functions for hydrogen in the longitudinal momentum space is are shown as a dark grey shaded area. In the right panels, the zoomed areas of proton NMDs are shown to emphasise the differences between the Gaussian and multivariate Gaussian model fits.

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