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Neutron Inelastic Scattering Study of Liquid Argon

Abstract

The inelastic scattering functions for liquid argon have been measured at 85.2 K. The coherent scattering function was obtained from a measurement on pure A-36 and the incoherent function was derived from the result obtained from the A-36 sample and the result obtained from a mixture of A-36 and A-40 for which the scattering is predominantly incoherent. The data, which are presented as smooth scattering functions at constant values of the wave vector transfer in the range 10 - 44/nm, are corrected for multiple scattering contributions and for resolution effects. Such corrections are shown to be essential in the derivation of reliable scattering functions from neutron scattering data. The incoherent data are compared to recent molecular dynamics results and the mean square displacement as a function of time is derived. The coherent data are compared to molecular dynamics results and also, briefly, to some recent theoretical models
Authors:
Skoeld, K; Rowe, J M; Ostrowski, G; [1]  Randolph, P D [2] 
  1. Solid State Science Div., Argonne National Laboratory, Argonne, Illinois (US)
  2. Nuclear Technology Div., Idaho Nuclear Corporation, Idaho Falls, Idaho (US)
Publication Date:
Feb 15, 1972
Product Type:
Technical Report
Report Number:
AE-445
Resource Relation:
Other Information: 48 refs., 19 figs., 4 tabs.
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ARGON; NEUTRON REACTIONS; INELASTIC SCATTERING; LIQUEFIED GASES; COHERENT SCATTERING; INCOHERENT SCATTERING
OSTI ID:
922440
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0808001
Availability:
Commercial reproduction prohibited; OSTI as DE00922440
Submitting Site:
SWDN
Size:
66 pages
Announcement Date:
Jan 25, 2008

Citation Formats

Skoeld, K, Rowe, J M, Ostrowski, G, and Randolph, P D. Neutron Inelastic Scattering Study of Liquid Argon. Sweden: N. p., 1972. Web.
Skoeld, K, Rowe, J M, Ostrowski, G, & Randolph, P D. Neutron Inelastic Scattering Study of Liquid Argon. Sweden.
Skoeld, K, Rowe, J M, Ostrowski, G, and Randolph, P D. 1972. "Neutron Inelastic Scattering Study of Liquid Argon." Sweden.
@misc{etde_922440,
title = {Neutron Inelastic Scattering Study of Liquid Argon}
author = {Skoeld, K, Rowe, J M, Ostrowski, G, and Randolph, P D}
abstractNote = {The inelastic scattering functions for liquid argon have been measured at 85.2 K. The coherent scattering function was obtained from a measurement on pure A-36 and the incoherent function was derived from the result obtained from the A-36 sample and the result obtained from a mixture of A-36 and A-40 for which the scattering is predominantly incoherent. The data, which are presented as smooth scattering functions at constant values of the wave vector transfer in the range 10 - 44/nm, are corrected for multiple scattering contributions and for resolution effects. Such corrections are shown to be essential in the derivation of reliable scattering functions from neutron scattering data. The incoherent data are compared to recent molecular dynamics results and the mean square displacement as a function of time is derived. The coherent data are compared to molecular dynamics results and also, briefly, to some recent theoretical models}
place = {Sweden}
year = {1972}
month = {Feb}
}