Abstract
In the past few years Neutron Spin Echo (NSE) has been used in routine fashion for the high resolution study of both magnetic and non‐magnetic inelastic scattering effects. Applications include the investigation of macromolecular motion in polymer and micelle solutions and biological matter; spin relaxation in paramagnets and spin glasses; critical fluctuations in magnetic and structural phase transitions, etc. In this paper the quasielastic scattering experiments are reviewed. It is shown that the NSE method opened up new fields in both lineshape and momentum dependent linewidth studies, partly by its very high resolution partly by its capability of providing badly needed model independent results in a number of cases.

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