A Measurement of Newton's Gravitational Constant

Details A Measurement of Newton's Gravitational Constant A Measurement of Newton's Gravitational Constant

2006-09-07

arxiv.org/abs/gr-qc/0609027v1

Phys.Rev.D74:082001,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

26 pages, 20 figures, Accepted for publication by Phys. Rev. D

Scientific paper

10.1103/PhysRevD.74.082001

A precision measurement of the gravitational constant $G$ has been made using a beam balance. Special attention has been given to determining the calibration, the effect of a possible nonlinearity of the balance and the zero-point variation of the balance. The equipment, the measurements and the analysis are described in detail. The value obtained for G is 6.674252(109)(54) 10^{-11} m3 kg-1 s-2. The relative statistical and systematic uncertainties of this result are 16.3 10^{-6} and 8.1 10^{-6}, respectively.

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