Correlation effects in multiple small-angle neutron scattering at the surface layers of inhomogeneities |
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| Authors: | E V Grubova F S Dzheparov D V Lvov |
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| Institution: | 1.Institute of Theoretical and Experimental Physics,Moscow,Russia;2.OKB “Gidropress”, Podolsk,Moscow oblast,Russia;3.National Research Nuclear University “MEPhI”,Moscow,Russia |
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| Abstract: | The influence of spatial correlations on the angular distribution of multiple small-angle neutron scattering (MSANS) at the surface layers of inhomogeneities is studied. Calculations are carried out by taking instrumental distortions into account when observing multiple small-angle neutron scattering by means of methods of a double-crystal diffractometer and a small-angle diffractometer with a position-sensitive detector. Within the framework of the eikonal approximation, the MSANS line is calculated, and the influence of the surface-layer thickness and the inhomogeneity concentration on its width is studied. |
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