Title :
Measuring G with a cryogenic torsion pendulum-a progress report
Author :
Bantel, M.K. ; Newman, R.D.
Author_Institution :
Dept. of Phys. & Astron., California Univ., Irvine, CA, USA
Abstract :
We describe the nearly completed apparatus for a measurement of G using a torsion pendulum in the "dynamic" (time-of-swing) mode. Features of the experiment include operation at cryogenic temperature (2K), large pendulum oscillation amplitudes, ring-shaped source masses, and a thin plate torsion pendulum.
Keywords :
gravitational constant; gravitational experiments; low-temperature techniques; pendulums; torsion; 2 K; cryogenic torsion pendulum; dynamic time-of-swing mode; gravitational constant measurement; 1f noise; Cryogenics; Extraterrestrial measurements; Frequency measurement; Physics; Position measurement; Shape measurement; Silicon compounds; Temperature dependence; Working environment noise;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.851156
