Abstract
Scattering of neutrons in the 24–150 keV incident energy range fromH2O relativeto that of D2O and H2O–D2O mixtures was reported recently by Moreh et al. This work is related to neutron Comptonscattering experiments regarding the ‘anomalous’ scattering from protons, observed earlierat ISIS by Chatzidimitriou-Dreismann et al in the 5–100 eV range. Here we provide thecomplete data reduction scheme of time-of-flight integrated intensities measured atkeV energy transfers, within the impulse approximation of standard theory and for singlescattering events. Current investigations of multiple scattering events and the associatedpreliminary results are mentioned. Direct application of the theoretical results tothe new keV scattering data reveals an anomalous ratio of scattering intensity ofH2O relativeto that of D2O of about 20%, thus being in good agreement with the earlier results of the originalexperiment at ISIS.
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