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Physical Review Letters – 11 February 2002
Volume 88, Issue 6

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. [B. Sur, R. B. Rogge, R. P. Hammond, V. N. Anghel, and J. Katsaras, Phys. Rev. Lett. 88, 065505 (2002)]

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