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Abstract
We report high precision inelastic neutron scattering measurements in liquid Neon at a temperature of 25.8 K and saturated vapour pressure. The data covers a wide range of energy and momentum transfer (2 A−1⩽Q⩽13A−1 The atomic momentum distribution,n(p), and final state effects (FSE) can be readily extracted from this intermediate wavevector transfer data provided a suitable method of analysis is used. We find that the momentum distribution in liquid Neon is marginally sharper than a Gaussian and that final state effects contribute predominantly an antisymmetric component to the the dynamic structure factor. The width ofn(p) and the kinetic energy are increased by 37% above the classical values due to quantum effects. The experimental results are in agreement with theoretical values obtained by a Path Integral Monte Carlo simulation.
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