Hostname: page-component-78c5997874-m6dg7 Total loading time: 0 Render date: 2024-11-03T05:43:05.965Z Has data issue: false hasContentIssue false
  • English
  • Français

Investigating variations in the gravitational constant

Published online by Cambridge University Press:  27 October 2009

A. P. R. Cooper  and
M. R. Gorman
A. P. R. Cooper
Affiliation:
British Antarctic Survey, Madingley Road, Cambridge CB3 0ET
M. R. Gorman
Affiliation:
Scott Polar Research Institute, University of Cambridge, Lensfield Road Cambridge CB2 1ER
Get access Rights & Permissions [Opens in a new window]

Abstract

In August–September 1987 a group of geophysicists, led by M. Ander of the Los Alamos National Laboratory and M. Zumberge of Scripps Institution of Oceanography, performed a geophysical experiment to determine the value of the gravitational constant, G. Using the DYE-3 borehole on the Greenland ice cap, the experiment was intended to provide evidence concerning possible scale variations in G, and thus for non-Newtonian gravity. This report describes the background to the experiment and the radio echo-sounding survey carried out to provide terrain corrections for the gravity model. The experiment showed values of G differing from laboratory determinations by margins which considerably exceed experimental error.

Type
Articles
Information
Polar Record , Volume 25 , Issue 152 , January 1989 , pp. 55 - 58
Copyright
Copyright © Cambridge University Press 1989

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Fischbach, E., Sudarsky, D., Szafer, A., Talmadge, C., and Aronson, S.H. 1986. Reanalysis of the Eotvos experiment. Physical Review Letters 56: 3–6.CrossRefGoogle Scholar
Gorman, M. R. and Cooper, A. P. R. 1987. A digital radio echo sounding and navigation system. Annals of Glaciology 9: 81–4.CrossRefGoogle Scholar
Goldman, T., Hughes, R. J. and Nieto, M. M. 1988. Gravity and antimatter. Scientific American 256(3): 48–56.CrossRefGoogle Scholar
Harrison, C.H. 1970. Reconstruction of subglacial relief from radio echo sounding records. Geophysics 35: 1099–1115.CrossRefGoogle Scholar
Stacey, F. D., Tuck, G. J., Moore, G. I., Holding, S. C., Goodwin, B. D. and Zhou, R. 1987. Geophysics and the law of gravity. Review of Modern Physics 59: 157.CrossRefGoogle Scholar
Stubbs, C. W., Adelberger, E. G., Raab, F. J.Gundlach, J. H., Heckel, B. R., McMurry, K. D., Swanson, H. E. and Watanabe, R. 1987. Search for an intermediate range interaction. Physical Review Letters 58: 1070.CrossRefGoogle ScholarPubMed
Thieberger, P. 1987. Search for a substance dependent force with a new differential accelerometer. Physical Review Letters 58: 1066.CrossRefGoogle ScholarPubMed