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Integral Parameters of the Thermal Neutron Scattering Law

Abstract

Integral parameters of the thermal neutron scattering law - the thermalization binding parameter (M{sub 2}), the Placzek's moments of the generalized frequency spectrum of dynamical modes and the energy transfer moments of the scattering law - are theoretically discussed. A detailed study of the variation of M{sub 2}, the thermalization time constant and the effective temperature of the vibrating atoms, with the relative weight between intra-molecular vibrations and hindered rotations for H{sub 2}O, is presented. Theoretical results for different scattering models of H{sub 2}O are compared with the measurements of integral experiments. A set of integral parameters for D{sub 2}O, using Butler's model, have been obtained. Importance of the structure of hindered rotations of H{sub 2}O and D{sub 2}O in the study of integral parameters has also been discussed.
Authors:
Publication Date:
Sep 15, 1964
Product Type:
Technical Report
Report Number:
AE-154
Resource Relation:
Other Information: 17 refs., 8 figs., 4 tabs.
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 22 GENERAL STUDIES OF NUCLEAR REACTORS; THERMALIZATION; THERMAL NEUTRONS; NEUTRON SLOWING-DOWN THEORY; PLACZEC FUNCTION; WATER; HEAVY WATER
OSTI ID:
20931032
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708424
Availability:
Commercial reproduction prohibited; OSTI as DE20931032
Submitting Site:
SWDN
Size:
52 pages
Announcement Date:
Oct 01, 2007

Citation Formats

Purohit, S N. Integral Parameters of the Thermal Neutron Scattering Law. Sweden: N. p., 1964. Web.
Purohit, S N. Integral Parameters of the Thermal Neutron Scattering Law. Sweden.
Purohit, S N. 1964. "Integral Parameters of the Thermal Neutron Scattering Law." Sweden.
@misc{etde_20931032,
title = {Integral Parameters of the Thermal Neutron Scattering Law}
author = {Purohit, S N}
abstractNote = {Integral parameters of the thermal neutron scattering law - the thermalization binding parameter (M{sub 2}), the Placzek's moments of the generalized frequency spectrum of dynamical modes and the energy transfer moments of the scattering law - are theoretically discussed. A detailed study of the variation of M{sub 2}, the thermalization time constant and the effective temperature of the vibrating atoms, with the relative weight between intra-molecular vibrations and hindered rotations for H{sub 2}O, is presented. Theoretical results for different scattering models of H{sub 2}O are compared with the measurements of integral experiments. A set of integral parameters for D{sub 2}O, using Butler's model, have been obtained. Importance of the structure of hindered rotations of H{sub 2}O and D{sub 2}O in the study of integral parameters has also been discussed.}
place = {Sweden}
year = {1964}
month = {Sep}
}