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Characterization of disturbance sources for LISA: torsion pendulum results
L. Carbone, A. Cavalleri, R. Dolesi +4
A torsion pendulum allows ground-based investigation of the purity of free-fall for the LISA test masses inside their capacitive position sensor. This paper presents recent improve…
Measuring the LISA test mass magnetic proprieties with a torsion pendulum
M. Hueller, M. Armano, L. Carbone +5
Achieving the low frequency LISA sensitivity requires that the test masses acting as the interferometer end mirrors are free-falling with an unprecedented small degree of deviation…
Measuring random force noise for LISA aboard the LISA Pathfinder mission
D. Bortoluzzi, L. Carbone, A. Cavalleri +6
The LTP (LISA Testflight Package), to be flown aboard the ESA / NASA LISA Pathfinder mission, aims to demonstrate drag-free control for LISA test masses with acceleration noise bel…
Upper limits on stray force noise for LISA
L. Carbone, A. Cavalleri, R. Dolesi +4
We have developed a torsion pendulum facility for LISA gravitational reference sensor ground testing that allows us to put significant upper limits on residual stray forces exerted…
Possibilities for Measurement and Compensation of Stray DC Electric Fields Acting on Drag-Free Test Masses
W. J. Weber, L. Carbone, A. Cavalleri +4
DC electric fields can combine with test mass charging and thermal dielectric voltage noise to create significant force noise acting on the drag-free test masses in the LISA (Laser…
Achieving geodetic motion for LISA test masses: ground testing result
L. Carbone, A. Cavalleri, R. Dolesi +4
The low-frequency resolution of space-based gravitational wave observatories such as LISA (Laser Interferometry Space Antenna) hinges on the orbital purity of a free-falling refere…