A free-fall determination of the Newtonian constant of gravity

Science

Volumn 282, Issue 5397, 1998, Pages 2230-2234

  Schwarz, Joshua P ^a   Robertson, Douglas S ^a   Niebauer, Timothy M ^b   Faller, James E ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b NSF Engineering Research Center for Reinventing the Nation s Urban Water Infrastructure   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTIC METHOD; ARTICLE; FREQUENCY MODULATION; GRAVITY; INTERFEROMETER; LASER; MATHEMATICAL ANALYSIS; PRIORITY JOURNAL; SIGNAL PROCESSING; SPACE FLIGHT; TORQUE; VACUUM;

EID: 0032545397     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.282.5397.2230     Document Type: Article

References (25)

1. K. Kuroda, Phys. Rev. Lett. 75, 2796 (1995).
2. M. K. Bantel and R. D. Newman. Proc. CPEM 1998 (1998).
3. R. D. Newman and M. K. Bantel, Proc. 8th M. Crossman Meeting on General Relativity (1997).
4. G. G. Luther and W. R. Towler, Phys. Rev. Lett. 48, 121 (1982).
5. M. P. Fitzgerald and T. R. Armstrong, IEEE Trans. Instrum. Meas. 44, 494 (1995).
6. W. Michaelis, H. Haars, R. Augustin, Metrologia 32, 267 (1996/96).
7. H. Walesch, H. Meyer, H. Fiel, J. Schurr, IEEE Trans. Instrum. Meas. 44, 491 (1995).
8. A. Schumacher et al., Proc. CPEM 1998 (1998).
9. J. Schurr, F. Nolting, W. Kündig, Phys. Rev. Lett. 80, 1142 (1998).
10. G. T. Gillies, Rep. Prog. Phys. 60, 151 (1997).
11. D. S. Robertson, Metrologia 33, 545 (1996).
12. D. Brouwer and G. Clemence, Methods of Celestial Mechanics (Academic Press, New York, 1961).
13. FG-5 Absolute Gravimeter is a trade name used here for identification purposes only and does not constitute an endorsement by the authors or their institutions.
14. T. M. Niebauer, thesis, University of Colorado at Boulder (1987).
15. T. Niebauer, G. Sasagawa, J. Faller, R. Hilt, F. Klopping, Metrologia 32, 159 (1995).
16. M. A. Zumberge, thesis (University of Colorado at Boulder, 1981).
17. Micro-g Solutions FG-5 Owner's Manual (1995).
18. -2. Thus local acceleration is approximately 980 Gal.
19. J. Faller, in J. Segawa, H. Fujimoto, S. Okubo, Eds. Gravity, Geoid and Marine Geodesy, vol. 117 (Tokyo, 1996).
20. G. Barta, A. Hajósy, P. Varga, in Proc. Tenth Int. Symp. on Earth's Tides (1985).
21. W. Koldewyn, thesis, Wesleyan University (1976).
22. J. P. Schwarz, thesis, University of Colorado at Boulder (1998).
23. D. Robertson et al., paper presented at the 1997 AGU Chapman Conference on Microgal Gravimetry, St. Augustine, FL, 5 March 1997 (1997).
24. W. Press, S. Teukolsky, W. Vetterling, B. Flannery, Numerical Recipes in C (Cambridge University Press, 2nd edition, 1992).
25. We thank H. Green, B. Horner, and J. Andru for assistance with the source mass assembly; T. van Dam, G. Sasagawa, and J. D. Williams for gravimeter support; and F. Klopping, J. Valentine, K. Buxton, J. Gschwind, and O. Francis for information, hardware, and support. We thank The National Gravity Survey/ National Oceanic Atmospheric Administration for the use of their facilities (the Table Mountain Gravity Observatory). We also thank P. Bender for help on the interpretation of random noise sources. This research was developed with support from the National Science Foundation Grant #PHY-9617498. Support was also provided by the Cooperative Research Program of JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado, under grant #NB 4RAH 40H067. NIST provided additional support through its programmatic support of precision measurements and the determination of fundamental constants.