A Model-Independent Framework for Gravitational-Wave Reconstruction of Binary Black Hole Hyperbolic Encounters in Ground-Based Interferometers
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866917116194586624 |
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| author | Lott, Peter Amedi, Heleen Graves, Jay Bae, Yeong-Bok Millhouse, Margaret Cadonati, Laura |
| author_facet | Lott, Peter Amedi, Heleen Graves, Jay Bae, Yeong-Bok Millhouse, Margaret Cadonati, Laura |
| contents | Binary black hole hyperbolic encounters represent a dynamical interaction in which two black holes undergo a close fly-by, emitting gravitational-wave bremsstrahlung in the form of a short-duration, single-cycle transient. These events are expected to occur in dense stellar environments such as globular clusters and both active and quiescent galactic nuclei. In this work, we constrain the detection sensitivity for hyperbolic encounters of black hole pairs with a range of asymmetric masses. We employ BayesWave, a wavelet-based morphology-independent algorithm to characterize hyperbolic encounter waveforms in simulated detector noise; for this study, we explore the use of exponential shapelets. We find that a typical hyperbolic orbit with total mass $20 M_{\odot}$ can be detected up to distance $d_L \sim 40 - 200$ Mpc, and we forecast the possibility of detection by ground-based current and future gravitational wave interferometers. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_01476 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Model-Independent Framework for Gravitational-Wave Reconstruction of Binary Black Hole Hyperbolic Encounters in Ground-Based Interferometers Lott, Peter Amedi, Heleen Graves, Jay Bae, Yeong-Bok Millhouse, Margaret Cadonati, Laura General Relativity and Quantum Cosmology Binary black hole hyperbolic encounters represent a dynamical interaction in which two black holes undergo a close fly-by, emitting gravitational-wave bremsstrahlung in the form of a short-duration, single-cycle transient. These events are expected to occur in dense stellar environments such as globular clusters and both active and quiescent galactic nuclei. In this work, we constrain the detection sensitivity for hyperbolic encounters of black hole pairs with a range of asymmetric masses. We employ BayesWave, a wavelet-based morphology-independent algorithm to characterize hyperbolic encounter waveforms in simulated detector noise; for this study, we explore the use of exponential shapelets. We find that a typical hyperbolic orbit with total mass $20 M_{\odot}$ can be detected up to distance $d_L \sim 40 - 200$ Mpc, and we forecast the possibility of detection by ground-based current and future gravitational wave interferometers. |
| title | A Model-Independent Framework for Gravitational-Wave Reconstruction of Binary Black Hole Hyperbolic Encounters in Ground-Based Interferometers |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2512.01476 |