Atom Interferometer Measurement of the Newtonian Constant of Gravity

@article{Fixler2007AtomIM,
  title={Atom Interferometer Measurement of the Newtonian Constant of Gravity},
  author={J. Fixler and G. T. Foster and J. McGuirk and M. Kasevich},
  journal={Science},
  year={2007},
  volume={315},
  pages={74 - 77}
}
We measured the Newtonian constant of gravity, G, using a gravity gradiometer based on atom interferometry. The gradiometer measures the differential acceleration of two samples of laser-cooled Cs atoms. The change in gravitational field along one dimension is measured when a well-characterized Pb mass is displaced. Here, we report a value of G = 6.693 × 10–11 cubic meters per kilogram second squared, with a standard error of the mean of ±0.027 × 10–11 and a systematic error of ±0.021 × 10–11… Expand

Topics from this paper

Measuring the Newtonian constant of gravitation G with an atomic interferometer
Precision measurement of the gravitational constant with atom interferometry
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