Title :
The Mark II Version of the BIPM Torsion-Strip Balance for the Measurement of G
Author :
Parks, Harold ; Quinn, Terry ; Speake, Clive ; Davis, Richard ; Picard, Alain
Author_Institution :
Bur. Int. des Poids et Mesures, Sevres
Abstract :
The BIPM torsion-strip balance used to produce a value for G published in 2001 has been modified with a view to reducing the uncertainty from the 2001 value of about 40 ppm down to about 10 ppm. The poster will not contain a new value for G
Keywords :
gravitational constant; gravity; measurement uncertainty; Mark II; gravitational constant measurement; torsion-strip balance; Distortion measurement; Electric variables measurement; Electrostatic measurements; Extraterrestrial measurements; Goniometers; Metrology; Optical distortion; Servomechanisms; Torque measurement; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location :
London
Print_ISBN :
0-7803-8494-6
Electronic_ISBN :
0-7803-8494-6
DOI :
10.1109/CPEM.2004.305349
