A Two-Dimensional Gravitational-Wave Discriminant for Curvature-Controlled Extra-Dimensional Gravity: Echo Delay and Radion-Induced Frequency Sidebands as a Falsifiable Signature of the CCEGA Framework
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| Lenguaje: | inglés |
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2026
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| _version_ | 1866901978058063872 |
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| author | López Sánchez, Marc |
| author_facet | López Sánchez, Marc |
| contents | <p>We identify a two-dimensional gravitational-wave (GW) discriminant that constitutes the primary falsifiable prediction of the Curvature-Controlled Extra-Dimensional Gravity and Emergent Unification (CCEGA) framework. The discriminant consists of (i) a post-merger echo delay τ_echo ≈ 14 ms for 30 M☉ binary-black-hole events, set by the geometry of the CCEGA warp factor W(ρ); and (ii) radion-induced frequency sidebands separated from the main echo by Δf_rad ∈ [24, 2400] Hz for a radion mass m_φ ∈ [10⁻¹³, 10⁻¹¹] eV. We show that the simultaneous presence of both features, together with the functional correlation between τ_echo and Δf_rad imposed by CCEGA geometry, is not reproduced generically by competing models: classical exotic compact objects (ECOs) predict echoes without sidebands, while extra-dimensional models lacking a dynamical modulus predict neither sidebands nor the specific (τ_echo, Δf_rad) correlation derived here. The combined signature lies within the projected sensitivity of the Einstein Telescope (~2035), providing a decisive observational test of the framework.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19039319 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | A Two-Dimensional Gravitational-Wave Discriminant for Curvature-Controlled Extra-Dimensional Gravity: Echo Delay and Radion-Induced Frequency Sidebands as a Falsifiable Signature of the CCEGA Framework López Sánchez, Marc gravitational waves gravitational-wave echoes extra dimensions modified gravity radion Kaluza-Klein Einstein Telescope exotic compact objects falsifiable predictions warped extra dimensions CCEGA two-dimensional discriminant frequency sidebands <p>We identify a two-dimensional gravitational-wave (GW) discriminant that constitutes the primary falsifiable prediction of the Curvature-Controlled Extra-Dimensional Gravity and Emergent Unification (CCEGA) framework. The discriminant consists of (i) a post-merger echo delay τ_echo ≈ 14 ms for 30 M☉ binary-black-hole events, set by the geometry of the CCEGA warp factor W(ρ); and (ii) radion-induced frequency sidebands separated from the main echo by Δf_rad ∈ [24, 2400] Hz for a radion mass m_φ ∈ [10⁻¹³, 10⁻¹¹] eV. We show that the simultaneous presence of both features, together with the functional correlation between τ_echo and Δf_rad imposed by CCEGA geometry, is not reproduced generically by competing models: classical exotic compact objects (ECOs) predict echoes without sidebands, while extra-dimensional models lacking a dynamical modulus predict neither sidebands nor the specific (τ_echo, Δf_rad) correlation derived here. The combined signature lies within the projected sensitivity of the Einstein Telescope (~2035), providing a decisive observational test of the framework.</p> |
| title | A Two-Dimensional Gravitational-Wave Discriminant for Curvature-Controlled Extra-Dimensional Gravity: Echo Delay and Radion-Induced Frequency Sidebands as a Falsifiable Signature of the CCEGA Framework |
| topic | gravitational waves gravitational-wave echoes extra dimensions modified gravity radion Kaluza-Klein Einstein Telescope exotic compact objects falsifiable predictions warped extra dimensions CCEGA two-dimensional discriminant frequency sidebands |
| url | https://doi.org/10.5281/zenodo.19039319 |