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Neutron Brillouin scattering study of collective dynamics in a dense He-Ne gaseous mixture
U Bafile1, P Verkerk, E Guarini
1Istituto di Electronica Quantistica, Consiglio Nazionale delle Ricerche, Firenze, Italy.
Physical Review Letters
|February 15, 2001
Abstract:
The dynamic structure factor S(k,omega) of a 77% He and 23% Ne gaseous mixture at T = 39.3 K and total number density n = 15.8 nm(-3) has been measured by inelastic neutron scattering at small angles. In the range of wave vectors studied, 0.7