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CPEM 2010

DOI: 10.1109/cpem.2010.5543307

Institute of Electrical and Electronics Engineers, IEEE Transactions on Instrumentation and Measurement, 7(60), p. 2527-2532, 2011

DOI: 10.1109/tim.2010.2099951

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Comparison of 3 absolute gravimeters based on different methods for the e-MASS project

Journal article published in 2010 by Anne Louchet-Chauvet, Sébastien Merlet, Franck Pereira Dos Santos ORCID, A. Germak, Quentin Bodart, Arnaud Landragin, Giancarlo D'Agostino, Henri Baumann, Claudio Origlia, F. Landragin A. And Pereira Dos Santos
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We report on the comparison between three absolute gravimeters that took place in April 2010 at Laboratoire National de Métrologie et d'Essais. The three instruments (FG5#209 from METAS, Switzerland, IMGC-02 from INRIM, Italy, and CAG from LNE-SYRTE, France) rely on different methods: optical and atomic interferometry. We discuss their differences as well as their similarities. We compare their measurements of the gravitational acceleration in 4 points of the same pillar, in the perspective of an absolute determination of g for a watt balance experiment