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Details van artikel 4 van 20 gevonden artikelen
| Titel: |
Density evolution of Rayleigh and Raman depolarized scattering in fluid N2 |
| Auteur: |
De Santis, A. Sampoli, M. Morales, P. Signorelli, G. |
| Verschenen in: |
Molecular physics |
| Paginering: | Jaargang 35 (1978) nr. 4 pagina's 1125-1140 |
| Jaar: |
1978-04 |
| Inhoud: |
Spectra of gaseous N2 at densities ranging from 20 to 330 Amg at room temperature have been recorded both for the pure rotational Rayleigh bands and for the rotovibrational Raman bands. Fits to a suitable parametric function have been attempted in order to work out the density evolution of the orientational scattering, and the presence of an eventual contribution from other effects. Deviations from these fits have been analysed and it was possible to conclude that the main effect of collisions on molecular rotations is a reorientation mechanism. A moment analysis of all the spectra has been performed and a study of the behaviour of M2, of M4/M2 and M3/M1, and of M4/M3 was accomplished in terms of rotations and collisions, of intermolecular torques and of intermolecular orientational correlations respectively. A theoretical survey of depolarized light scattering is introduced in order to outline the possible presence of different contributions and of cross correlations between them. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 20 gevonden artikelen
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