Reflections on a measurement of the gravitational constant using a beam balance and 13 tons of mercury

Reflections on a measurement of the gravitational constant using a beam balance and 13 tons of mercury

In 2006, a final result of a measurement of the gravitational constant G performed by researchers at the University of Zürich, Switzerland, was published. A value of G = 6.674252(122) × 10-11 m3 kg-1 s-2 was obtained after an experimental effort that lasted over one decade. Here, we briefly summariz...

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Veröffentlicht in:Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 2014-10, Vol.372 (2026), p.1-14
Hauptverfasser: Schlamminger, S., Pixley, R. E., Nolting, F., Schurr, J., Straumann, U.
Format: Artikel
Sprache:eng
Schlagworte:
Average linear density
Calibration
Comparators
Density
Gravitational constant
Gravity
Liquids
Mass
Nonlinearity
Vacuum tubes
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Zusammenfassung:In 2006, a final result of a measurement of the gravitational constant G performed by researchers at the University of Zürich, Switzerland, was published. A value of G = 6.674252(122) × 10-11 m3 kg-1 s-2 was obtained after an experimental effort that lasted over one decade. Here, we briefly summarize the measurement and discuss the strengths and weaknesses of this approach.
ISSN:1364-503X