PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T01 Astroparticle Physics and Gravitational Waves
Gravitational Wave Signals from Binary-Single Black Hole Encounters in Star Clusters
E. Codazzo*, M. Di Giovanni and J. Harms
Full text: pdf
Pre-published on: December 25, 2023
Published on: March 21, 2024
Star clusters are the main dynamical formation channel for binary black holes (BBHs). In these dense environments, BBH mergers are driven by gravitational wave emission and binary-single encounters with other objects in the cluster. This work is focused on the gravitational wave (GW) signals emitted by close encounters between a BBH and an isolated black hole, highlighting the various outcomes that can arise from these interactions. To estimate the GW spectrum of these signals, numerical simulations are performed using the N-body code ARWV, with stellar mass black holes serving as input masses. Our study considers the potential for these burst signals to fall within the sensitivity band of current and future ground-based detectors, depending on the parameters involved.
DOI: https://doi.org/10.22323/1.449.0073
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