Corrected intensity data for a thermal neutron beam scattering off a potassium dihydrogen phosphate crystal. Spherical neutron waves, generated by scattering from hydrogen in the sample, should give rise to sharp conical intensity peaks, ('K ' lines, previously seen in x-ray and in electron-scattering experiments), upon further interaction with the crystal lattice. The predicted K lines are shown in white; the observed intensity peaks are in red.
From the article:
Observation of Kossel and Kikuchi Lines in Thermal Neutron Incoherent ScatteringB. Sur, R. B. Rogge, R. P. Hammond, V. N. P. Anghel, and J. Katsaras
Phys. Rev. Lett. 88, 065505 (2002)
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