Determination of the Newtonian gravitational constant G with a nonlinear fitting method

Details Determination of the Newtonian gravitational constant G with a nonlinear fitting method Determination of the Newtonian gravitational constant G with a nonlinear fitting method

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999phrvd..59d2001l&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 59, Issue 4, 15 February 1999, id. 042001

Physics

54

Experimental Tests Of Gravitational Theories, Interpolation, Curve Fitting, Determination Of Fundamental Constants

Scientific paper

The Newtonian gravitational constant G is determined by means of a high-Q torsion pendulum and the time-of-swing method, in which the period of the pendulum is altered by the presence of two 6.25-kg stainless steel cylinders. The nonlinear fitting method is used to extract the frequencies from the angle-time data of the pendulum. The resulting value of G is (6.6699+/-0.0007)×10-11 m3 kg-1 s-2.

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