Impact of correlated seismic and correlated Newtonian noise on the Einstein Telescope
arXiv:2206.06809 · doi:10.1103/PhysRevD.106.042008
Abstract
Correlated noise could impact the search for the gravitational wave background at future Earth-based gravitational-wave detectors. Due to the small distance ( 400 m) between the different interferometers of the Einstein Telescope, correlated seismic noise could have a significant effect. To this extent, we study the seismic correlations at the Earth's surface, as well as underground, between seismometers and geophones separated by several hundreds of meters, in the frequency range 0.05 Hz - 50 Hz. Based on these correlated seismic fields we predict the levels of correlated Newtonian noise (NN). We construct upper limits on the allowed seismic coupling function such that correlated seismic noise does not affect the search for an isotropic gravitational wave background. Assuming a facility located 300 m below the surface, the impact on the search for a gravitational wave background of correlated NN from Rayleigh waves are found to be problematic up to 5 Hz. The NN from body waves, however, constitutes a serious threat to the search of a gravitational wave background. Correlated NN from body waves could be up to five to seven orders of magnitude above the planned sensitivity at 3 Hz and it could impede any search for a gravitational wave background below 40 Hz. With a factor 10 of NN reduction via NN cancellation in each interferometer, the effects of the NN on the stochastic search could be eliminated above 30 Hz.
References in corpus (38)
- Planck 2015 results. XIII. Cosmological parameters
- Advanced Virgo: a 2nd generation interferometric gravitational wave detector
- Advanced LIGO
- Science Case for the Einstein Telescope
- Sensitivity Studies for Third-Generation Gravitational Wave Observatories
- Interferometer design of the KAGRA gravitational wave detector
- Detecting a stochastic background of gravitational radiation: Signal processing strategies and sensitivities
- Sensitivity curves for searches for gravitational-wave backgrounds
- Detection methods for stochastic gravitational-wave backgrounds: a unified treatment
- Upper Limits on the Isotropic Gravitational-Wave Background from Advanced LIGO's and Advanced Virgo's Third Observing Run
- Stochastic Gravitational Wave Backgrounds
- A Xylophone Configuration for a third Generation Gravitational Wave Detector
- Seismic gravity-gradient noise in interferometric gravitational-wave detectors
- Subtraction of Newtonian Noise Using Optimized Sensor Arrays
- Correlated magnetic noise in global networks of gravitational-wave interferometers: observations and implications
- Terrestrial Gravity Fluctuations
- Correlated noise in networks of gravitational-wave detectors: subtraction and mitigation
- Measurement and subtraction of Schumann resonances at gravitational-wave interferometers
- Active noise cancellation in a suspended interferometer
- Tumbleweeds and airborne gravitational noise sources for LIGO
- Searching for stochastic gravitational waves using data from the two co-located LIGO Hanford detectors
- Subtraction of correlated noise in global networks of gravitational-wave interferometers
- Site-selection criteria for the Einstein Telescope
- Detecting a stochastic gravitational-wave background in the presence of correlated magnetic noise
- Optimization of seismometer arrays for the cancellation of Newtonian noise from seismic body waves
- Implications of dedicated seismometer measurements on Newtonian-noise cancellation for Advanced LIGO
- Towards a first design of a Newtonian-noise cancellation system for Advanced LIGO
- Second Einstein Telescope Mock Science Challenge : Detection of the GW Stochastic Background from Compact Binary Coalescences
- Newtonian-noise cancellation in full-tensor gravitational-wave detectors
- Machine learning for gravitational-wave detection: surrogate Wiener filtering for the prediction and optimized cancellation of Newtonian noise at Virgo
- Impact of Schumann resonances on the Einstein Telescope and projections for the magnetic coupling function
- Impact of correlated magnetic noise on the detection of stochastic gravitational waves: Estimation based on a simple analytical model
- Wiener filtering with a seismic underground array at the Sanford Underground Research Facility
- Correlated magnetic noise from anisotropic lightning sources and the detection of stochastic gravitational waves
- Passive Newtonian noise suppression for gravitational-wave observatories based on shaping of the local topography
- Seismic array measurements at Virgo's West End Building for the configuration of a Newtonian-noise cancellation system
- A lower limit for Newtonian-noise models of the Einstein Telescope
- Coherence-based approaches for estimating the composition of the seismic wavefield