The gamma ray spectra of65Ni and65Zn; characteristics of the lower excited states of65Cu

Ricci, R. A.; Chilosi, G.; Varcaccio, G.; Vingiani, G.B.; Lieshout, R. Van

doi:10.1007/bf02860409

Cited by 16 publications

(1 citation statement)

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“…For monoatomic fluids it is possible to use the principle of corresponding states (Ricci 1960) in which the equivalence of different systems can be compared by applying a suitable scaling constant. For structural and dynamic properties this is achieved by introducing a reduced scattering vector Q* = Qu where U is a length that characterizes the interaction.…”

Section: Corresponding States Criterionmentioning

confidence: 99%

Structural characterization of diatomic fluids by diffraction studies

Dore

Ricci

1991

Rep. Prog. Phys.

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The study of spatial features in diatomic liquids and gases is reviewed with a specific emphasis on experimental measurements using neutron and x-ray diffraction. The formalism for defining the pair-correlation function is described and related to the liquid structure factor which can be extracted from the diffraction measurements. Different molecular systems can be classified in terms of the intermolecular potential which depends on various factors related to geometrical conformation, electron density distribution and anisotropy. The increased complexity over monoatomic systems gives rise to new phenomena associated with orientational correlation of molecular axes.The techniques of neutron and x-ray diffraction are critically reviewed and a full list of published work (plus some unpublished results) is presented. The experimental measurements are analysed and compared with the results of computer simulations using model potentials. It is noted that several systems (e.g. N2. 0,, F2, C O ) have a relatively simple behaviour but others (e.g. Cl,, Br,, 12) are only just on the point of being properly understood, while the hydrogen-bonded liquids (e.g. HF, HCl) still pose many problems that currently remain unresolved. The review ends with a brief consideration of likely developments in the foreseeable future. This review was received in July 1990.*The basic concepts which subsequently lead to the production of thin review can be traced back to a meeting on diatomic liquids held in Rome in October 1983.

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Section: Corresponding States Criterionmentioning

confidence: 99%