Multiple small angle neutron scattering: A new two-dimensional ultrasmall angle neutron scattering technique

C. Grünzweig, T. Hils, S. Mühlbauer, M. Ay, K. Lorenz, R. Georgii, R. Gähler, P. Böni

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Abstract

We report on the demonstration experiment of the multiple small angle neutron scattering (MSANS) technique at a 5.6 m long neutron beam line, leading to a q resolution of 3× 10-4 Å-1. The MSANS technique is based on two two-dimensional multihole apertures placed at the front end of the collimator and close to the sample, respectively. By choosing the proper MSANS geometry, individual diffraction patterns are superimposed leading to a large gain in intensity. Using MSANS as an option for standard small angle neutron scattering beam lines, the q resolution could be increased to 10-5 Å-1 without dramatically sacrificing intensity.

Original languageEnglish
Article number203504
JournalApplied Physics Letters
Volume91
Issue number20
DOIs
StatePublished - 2007

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