A Cunsolo et al 2007 J. Phys.: Condens. Matter 19 415118 doi:10.1088/0953-8984/19/41/415118
A Cunsolo1,2, A Orecchini1,3, C Petrillo1,3 and F Sacchetti1,3
Show affiliationsWe propose here a new interpretation of recent quasi-elastic neutron scattering (QENS) measurements on water. A line-shape analysis based on a stretched exponential ansatz for the time decay of density fluctuations enabled us to observe an anomalous dependence on the exchanged momentum of relevant relaxation parameters. We discuss this effect and relate it to an a priori uncorrelated anomaly, previously evidenced by diffraction measurements.
66.10.C- Diffusion and thermal diffusion
61.05.fg Neutron scattering (including small-angle scattering)
Issue 41 (17 October 2007)
Received 30 April 2007, in final form 14 June 2007
Published 27 September 2007
A Cunsolo et al 2007 J. Phys.: Condens. Matter 19 415118
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