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Mechanical Long Baseline Differential Gradiometers as Low Frequency Gravitational Wave Detectors
Enrico Calloni, Annalisa Allocca, Antonino Chiummo +12
We present a new differential mechanical gradiometer for the detection of low-frequency Gravitational Waves. The frequency range is 0.05 to 1 Hz, a frequency gap not covered either…
Black Hole Spectroscopy and Tests of General Relativity with GW250114
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration
The binary black hole signal GW250114, the loudest gravitational wave detected to date, offers a unique opportunity to test Einstein's general relativity (GR) in the high-velocity,…
Adaptive algorithms for low-latency cancellation of seismic Newtonian-noise at the Virgo gravitational-wave detector
Soumen Koley, Jan Harms, Annalisa Allocca +23
A system was recently implemented in the Virgo detector to cancel noise in its data produced by seismic waves directly coupling with the suspended test masses through gravitational…
Design and implementation of a seismic Newtonian-noise cancellation system for the Virgo gravitational-wave detector
Soumen Koley, Jan Harms, Annalisa Allocca +23
Terrestrial gravity perturbations caused by seismic fields produce the so-called Newtonian noise in gravitational-wave detectors, which is predicted to limit their sensitivity in t…