Citation

BibTex format

@article{Mentasti:2023:08/053,
author = {Mentasti, G and Contaldi, CR and Peloso, M},
doi = {08/053},
journal = {Journal of Cosmology and Astroparticle Physics},
pages = {053--053},
title = {Prospects for detecting anisotropies and polarization of the stochastic gravitational wave background with ground-based detectors},
url = {http://dx.doi.org/10.1088/1475-7516/2023/08/053},
volume = {2023},
year = {2023}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We build an analytical framework to study the observability of anisotropies and a net chiral polarization of the Stochastic Gravitational Wave Background (SGWB) with a generic network of ground-based detectors. We apply this formalism to perform a Fisher forecast of the performance of a network consisting of the current interferometers (LIGO, Virgo and KAGRA) and planned third-generation ones, such as the Einstein Telescope and Cosmic Explorer. Our results yield limits on the observability of anisotropic modes, spanning across noise- and signal-dominated regimes. We find that if the isotropic component of the SGWB has an amplitude close to the current limit, third-generation interferometers with an observation time of 10 years can measure multipoles (in a spherical harmonic expansion) up to  = 8 with Script O(10-3 – 10-2) accuracy relative to the isotropic component, and an Script O(10-3) amount of net polarization. For weaker signals, the accuracy worsens as roughly the inverse of the SGWB amplitude.
AU  - Mentasti,G
AU  - Contaldi,CR
AU  - Peloso,M
DO  - 08/053
EP  - 053
PY  - 2023///
SN  - 1475-7516
SP  - 053
TI  - Prospects for detecting anisotropies and polarization of the stochastic gravitational wave background with ground-based detectors
T2  - Journal of Cosmology and Astroparticle Physics
UR  - http://dx.doi.org/10.1088/1475-7516/2023/08/053
UR  - http://hdl.handle.net/10044/1/108645
VL  - 2023
ER  -
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