Abstract
Real experimental data on liquids include effects due to both pair and many-body forces, while computer simulations of liquids are made usually with a model pair potential. If this model is a good one, the difference between the experimental and simulated data is due to many body forces. Such differences may be of almost any size depending on the property and state examined. Because neutron scattering results depend upon the details of the structure and dynamics of the fluid samples, they are an excellent subject for the application of this technique. Thus they may be used to examine many-body forces of several different kinds and examples taken from the study of noble gas fluids will be given.
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