Zobrazeno 1 - 10
of 246
pro vyhledávání: '"P.A. Egelstaff"'
Autor:
John H. Root, P.A. Egelstaff
Publikováno v:
Chemical Physics. 76:405-420
We reanalyse the published X-ray diffraction data on water with the object of deducing the isochoric temperature derivative of the structure factor of H 2 O at 4°C and 1 atm. These results are compared to the published molecular dynamics results for
Publikováno v:
Chemical Physics. 109:437-453
Gamma rays from a radioisotope source, 241 Am, are scattered from samples of light water (H 2 O) and heavy water (D 2 O) at temperature 297 K and density 0.0334 molecules/A 3 to determine what differences occur in their structure factors. The apparat
Publikováno v:
Journal of Statistical Physics. 13:315-330
The time-dependent angular pair correlation function is discussed and its use in the analysis of inelastic neutron scattering experiments from polyatomic fluids is described, including both the coherent and incoherent spectra. The set of formal resul
Publikováno v:
Molecular Physics. 35:315-328
General expressions are derived for the thermodynamic derivatives of a property , where Q is a function (static or time-dependent) of the phase variables and is an average over an equilibrium grand canonical ensemble. As an example of the use of thes
Autor:
J.D. Sullivan, P.A. Egelstaff
Publikováno v:
Chemical Physics. 82:479-488
The pair correlation function. g ( r ), for low-density chlorine gas was measured using neutron diffraction. A simple model for the system was used to demonstrate that density effects in g ( r ) should be negligible at the level of accuracy of the ex
Autor:
P.A. Egelstaff, J.D. Sullivan
Publikováno v:
Chemical Physics. 89:167-175
The structure factor for liquid chlorine on the coexistence curve at room temperature (296 K) was measured out to a q of 11 A −1 using neutrons of 88 meV. The inelasticity correction to the differential scattering cross section included terms due t
Autor:
Alan K. Soper, P.A. Egelstaff
Publikováno v:
Nuclear Instruments and Methods. 178:415-425
Earlier methods of calculating multiple scattering cross-sectionsand attenuation factors for thermal neutrons in a cylindrical sample are extended by a method of optimatization to include a number of concentric cylinders some or all of which may be o
Publikováno v:
Journal of Non-Crystalline Solids. 106:100-103
Neutron diffraction experiments have been used to investigate the structural properties of liquid sulfur at temperatures from 131°C to 220°C, i.e. at conditions around the λ-transition (T = 159°C), and also of rapidly quenched sulfur. The structu
Autor:
P.A. Egelstaff
Publikováno v:
Zeitschrift für Physikalische Chemie. 156:311-329
Publikováno v:
Physical Review Letters. 47:1733-1736