Correction of source mass effects in the HUST-99 measurement of G
2005
Eccentricities of the mass center from the geometric center of two cylindrical source masses used in the HUST-99 measurement of the Newtonian gravitational constant G are determined by means of an electronic balance. Considering a linear density distribution of source masses as well as the effect of the air buoyancy, our value of G should be revised to be 6.6723(9)x10{sup -11} m{sup 3} kg{sup -1} s{sup -2}, which is 0.036% larger than our previous published value in Phys. Rev. D 59, 042001 (1999)
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