The low-q part of the structure factor S(q) of Kr has been measured at densities below 4.3 nm-3 by means of neutron diffraction. The three-body interaction contributions to the low-q structure are reliably extracted from the density dependence of the data, leading to the best experimental determination of the Axilrod-Teller forces in a rare-gas fluid.
Low-q structure of Kr gas at undercritical densities:an accurate SANS determination of triplet forces / F. Barocchi; E. Guarini; G. Casanova; U. Bafile. - In: PHYSICA. B, CONDENSED MATTER. - ISSN 0921-4526. - STAMPA. - 276-278:(2000), pp. 448-449.
Low-q structure of Kr gas at undercritical densities:an accurate SANS determination of triplet forces
BAROCCHI, FABRIZIO;GUARINI GRISALDI TAJA O DEL TAJA, ELEONORA;
2000
Abstract
The low-q part of the structure factor S(q) of Kr has been measured at densities below 4.3 nm-3 by means of neutron diffraction. The three-body interaction contributions to the low-q structure are reliably extracted from the density dependence of the data, leading to the best experimental determination of the Axilrod-Teller forces in a rare-gas fluid.
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