Prospects for detection of ultra high frequency gravitational waves from hyperbolic encounters with resonant cavities
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2024
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| author | Barrau, Aurélien García-Bellido, Juan Martineau, Killian Teuscher, Martin |
| author_facet | Barrau, Aurélien García-Bellido, Juan Martineau, Killian Teuscher, Martin |
| contents | In this brief article, we pursue the systematic investigation of possible gravitational wave sources in the gigahertz band. We focus on hyperbolic encounters of light black holes and evaluate precisely the expected signal when accounting for the detailed characteristics of haloscope experiments. Considering the GraHal setup as a benchmark, we insist on the correct signal-to-noise ratio expression, taking into account the appropriate timescales resulting from both physical and instrumental constraints. The associated maximum distance - of the order of a hundredth of an astronomical unit - at which an event can be detected is calculated for optimal, suboptimal, and general trajectories. The main conclusion is that detection seems clearly out of reach. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_08379 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Prospects for detection of ultra high frequency gravitational waves from hyperbolic encounters with resonant cavities Barrau, Aurélien García-Bellido, Juan Martineau, Killian Teuscher, Martin General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies High Energy Physics - Phenomenology In this brief article, we pursue the systematic investigation of possible gravitational wave sources in the gigahertz band. We focus on hyperbolic encounters of light black holes and evaluate precisely the expected signal when accounting for the detailed characteristics of haloscope experiments. Considering the GraHal setup as a benchmark, we insist on the correct signal-to-noise ratio expression, taking into account the appropriate timescales resulting from both physical and instrumental constraints. The associated maximum distance - of the order of a hundredth of an astronomical unit - at which an event can be detected is calculated for optimal, suboptimal, and general trajectories. The main conclusion is that detection seems clearly out of reach. |
| title | Prospects for detection of ultra high frequency gravitational waves from hyperbolic encounters with resonant cavities |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2404.08379 |