A thorough investigation of cross-correlation estimators for stochastic gravitational-wave background searches in ground-based detector data

arXiv:2606.23816 · gr-qc, astro-ph.HE, astro-ph.IM, hep-ph · Submitted 2026-06-22 · Read on arXiv

Haowen Zhong, Joseph D. Romano, Vuk Mandic, Shivaraj Kandhasamy, Arianna I. Renzini

gr-qc, astro-ph.HE, astro-ph.IM, hep-ph

Submitted: 2026-06-22

Comments: 85 pages, 15 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Cosmic Explorer — 4× in this paper
• Bayesian Inference — 2× in this paper · explained in 5 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Einstein Telescope — 1× in this paper
• Markov Chain Monte Carlo — 1× in this paper
• National Science Foundation — 1× in this paper
• Non-stationarity — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes

Sources

• Advanced LIGO
• Advanced Virgo: a 2nd generation interferometric gravitational wave detector
• KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector
• The population of merging compact binaries inferred using gravitational waves through GWTC-3
• Upper Limits on the Isotropic Gravitational-Wave Background from Advanced LIGO's and Advanced Virgo's Third Observing Run
• Stochastic Gravitational-Wave Backgrounds: Current Detection Efforts and Future Prospects
• The unresolved stochastic background from compact binary mergers detectable by next-generation ground-based gravitational-wave observatories
• Gravitational waves from bubble collisions in FLRW spacetime
• Gravitational waves from bubble collisions: analytic derivation
• Gravitational Wave Background from a Cosmological Population of Core-Collapse Supernovae
• Stochastic Gravitational Wave Background from Cosmological Supernovae
• A Model of the Stochastic Gravitational-Wave Background due to Core Collapse to Black Holes
• A Systematic Study of the Stochastic Gravitational-Wave Background due to Stellar Core Collapse
• Stochastic Gravitational-Wave Background from Stellar Core-Collapse Events
• Relic Gravitational Waves and Limits on Inflation
• Gauge Field Production in Axion Inflation: Consequences for Monodromy, non-Gaussianity in the CMB, and Gravitational Waves at Interferometers
• Gravitational radiation from cosmic (super)strings: bursts, stochastic background, and observational windows
• Gravitational wave stochastic background from cosmic (super)strings
• Gravitational-Wave Stochastic Background from Kinks and Cusps on Cosmic Strings
• The stochastic background from cosmic (super)strings: popcorn and (Gaussian) continuous regimes

Related papers

• Improving Slow-Roll Estimates in Starobinsky Inflation Using an Analytic Hubble Parameter
• Listening to the Horizon: Probing Near-Horizon Reflectivity with GW250114
• A Pairwise Surrogate for Gravitational-Wave Spectra from Highly Relativistic Vacuum Bubble Collisions
• Tests of General Relativity with Einstein Telescope
• A weakly modelled view of the joint compact-binary mass plane: population structure and spectral-siren cosmology
• Unitary quantum matter-bounce in a universe with a positive cosmological constant