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Article10.1107/s010876731300768x

A new interpretation of the σ<i><sub>A</sub></i>parameter

Benedetta Carrozzini,G. Cascarano,Carmelo Giacovazzo,A. Mazzone-2013-05-14-Acta Crystallographica Section A Foundations of Crystallography
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TL;DRAbstract

A new study of the σA parameter has been undertaken to understand its behaviour when the diffraction amplitude distributions are far from the standard Wilson distributions. The study has led to the formulation of a new statistical interpretation of σA, expressed in terms of a correlation factor. The new formulas allow a more accurate use of σA in electron-density modification procedures.

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A new study of the σA parameter has been undertaken to understand its behaviour when the diffraction amplitude distributions are far from the standard Wilson distributions. The study has led to the formulation of a new statistical interpretation of σA, expressed in terms of a correlation factor. The new formulas allow a more accurate use of σA in electron-density modification procedures.

Keywords

Interpretation (philosophy)Statistical physicsAmplitudeMathematicsDiffractionPhysicsStatisticsComputer science

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