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Neutron Brillouin scattering in dense fluids

Abstract

Thermal neutron scattering is a typical microscopic probe for investigating dynamics and structure in condensed matter. In contrast, light (Brillouin) scattering with its three orders of magnitude larger wavelength is a typical macroscopic probe. In a series of experiments using the improved small-angle facility of IN5 a significant step forward is made towards reducing the gap between the two. For the first time the transition from the conventional single line in the neutron spectrum scattered by a fluid to the Rayleigh-Brillouin triplet known from light-scattering experiments is clearly and unambiguously observed in the raw neutron data without applying any corrections. Results of these experiments are presented. (author).
Authors:
Verkerk, P; [1]  FINGO Collaboration
  1. Technische Univ. Delft (Netherlands)
Publication Date:
Apr 01, 1997
Product Type:
Technical Report
Report Number:
ILL-RA-1996
Reference Number:
SCA: 665100; PA: AIX-29:017464; EDB-98:056615; SN: 98001951561
Resource Relation:
Other Information: DN: 1 ref.; PBD: Apr 1997; Related Information: Is Part Of Annual Report 96; PB: [121] p.
Subject:
66 PHYSICS; BRILLOUIN EFFECT; FLUIDS; HYDRODYNAMICS; NEUTRON BEAMS; NEUTRON DIFFRACTION; NEUTRON SPECTRA; SMALL ANGLE SCATTERING; THERMAL NEUTRONS; THERMODYNAMIC PROPERTIES
OSTI ID:
593236
Research Organizations:
Institut Max von Laue - Paul Langevin (ILL), 38 - Grenoble (France).
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE98617526; TRN: FR9704846017464
Availability:
INIS; OSTI as DE98617526
Submitting Site:
FRN
Size:
pp. 16-17
Announcement Date:
Jun 03, 1998

Citation Formats

Verkerk, P, and FINGO Collaboration. Neutron Brillouin scattering in dense fluids. France: N. p., 1997. Web.
Verkerk, P, & FINGO Collaboration. Neutron Brillouin scattering in dense fluids. France.
Verkerk, P, and FINGO Collaboration. 1997. "Neutron Brillouin scattering in dense fluids." France.
@misc{etde_593236,
title = {Neutron Brillouin scattering in dense fluids}
author = {Verkerk, P, and FINGO Collaboration}
abstractNote = {Thermal neutron scattering is a typical microscopic probe for investigating dynamics and structure in condensed matter. In contrast, light (Brillouin) scattering with its three orders of magnitude larger wavelength is a typical macroscopic probe. In a series of experiments using the improved small-angle facility of IN5 a significant step forward is made towards reducing the gap between the two. For the first time the transition from the conventional single line in the neutron spectrum scattered by a fluid to the Rayleigh-Brillouin triplet known from light-scattering experiments is clearly and unambiguously observed in the raw neutron data without applying any corrections. Results of these experiments are presented. (author).}
place = {France}
year = {1997}
month = {Apr}
}