DocumentCode
3449197
Title
Progress in the Measurement of the Gravitational Constant using a Cryogenic Torsion Pendulum
Author
Berg, E.C. ; Bantel, M.K. ; Newman, R.D.
Author_Institution
Dept. of Phys. & Astron., California Univ., Irvine, CA
fYear
2004
fDate
38139
Firstpage
534
Lastpage
535
Abstract
Continuing measurements of G are being made using a cryogenic torsion pendulum in the "dynamic" (time-of-swing) mode. The total metrology contribution to the G error budget is about 7 ppm. Data runs are being conducted using both CuBe and A15056 torsion fibers to test for systematic fiber-dependent effects
Keywords
cryogenics; gravitational constant; gravity; pendulums; A15056 torsion fibers; CuBe; cryogenic torsion pendulum; gravitational constant measurement; systematic fiber-dependent effects; time-of-swing mode; Cryogenics; Extraterrestrial measurements; Frequency measurement; Helium; Magnetic levitation; Noise reduction; Optical fiber testing; Optical noise; Superconducting device noise; Temperature control;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location
London
Print_ISBN
0-7803-8494-6
Electronic_ISBN
0-7803-8494-6
Type
conf
DOI
10.1109/CPEM.2004.305348
Filename
4097359
Link To Document