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2025
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| Online Access: | https://doi.org/10.5281/zenodo.17438138 |
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| author | Jeffrey, Daniel |
| author_facet | Jeffrey, Daniel |
| contents | <p><span>We present theoretical, computational, and observational evidence for the existence of self-interacting dark matter (SIDM) with a cross-section of approximately </span><span>0.35 – 0.45 cm² g⁻¹</span><span>, established at a combined significance of </span><span>7.2σ</span><span>, exceeding the canonical 5σ discovery threshold.<br>By integrating high-resolution cosmological simulations, large-scale surveys, and a correlated precision-cascade synthesis, this study represents the </span><span>first direct breakthrough into the microphysical properties of dark matter</span><span>, resolving long-standing small-scale structure anomalies while preserving consistency with ΛCDM on cosmic scales.</span></p> <p><span>Simulation analyses—including FIRE-2, IllustrisTNG, EAGLE-XL, and Auriga—reproduce observed galactic and cluster-scale density profiles under the inferred SIDM interaction strength. Observational datasets from </span><span>Gaia EDR3</span><span>, </span><span>Hyper Suprime-Cam</span><span>, </span><span>DESI</span><span>, and </span><span>eROSITA</span><span> independently corroborate these results. Incorporation of precision-cascade cosmological correlations (established in Papers I–III) amplifies the SIDM signal and constrains model uncertainties by nearly a factor of 3.</span></p> <p><span>The cumulative analysis achieves a </span><span>7.2σ global detection significance</span><span>, establishing dark-matter self-interactions as an empirically supported physical property.<br>The </span><span>Lab-Grade Reproducibility Package</span><span> accompanying this release includes the full data architecture, covariance-aware analysis pipeline, and validation workflow for independent replication.</span></p> <p><span>This result confirms that dark matter exhibits measurable microphysics—transforming it from a gravitational placeholder into a particle-physics entity—and marks a decisive advance toward a unified, precision-validated cosmology.</span></p> <p> </p> <p> </p> <p><span>Paper 1 - <a href="https://doi.org/10.5281/zenodo.17345276">https://doi.org/10.5281/zenodo.17345276</a></span></p> <p> </p> <p><span>Paper 2 - <a href="https://doi.org/10.5281/zenodo.17308793">https://doi.org/10.5281/zenodo.17308793</a></span></p> <p> </p> <p><span>Paper 3 - <a href="https://doi.org/10.5281/zenodo.17379338">https://doi.org/10.5281/zenodo.17379338</a></span></p> <p> </p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17438138 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Dark Matter Microphysics — Detection of Self-Interactions and Cosmic Consequences - (Part IV of the Precision Cascade Cosmology Series) Jeffrey, Daniel <p><span>We present theoretical, computational, and observational evidence for the existence of self-interacting dark matter (SIDM) with a cross-section of approximately </span><span>0.35 – 0.45 cm² g⁻¹</span><span>, established at a combined significance of </span><span>7.2σ</span><span>, exceeding the canonical 5σ discovery threshold.<br>By integrating high-resolution cosmological simulations, large-scale surveys, and a correlated precision-cascade synthesis, this study represents the </span><span>first direct breakthrough into the microphysical properties of dark matter</span><span>, resolving long-standing small-scale structure anomalies while preserving consistency with ΛCDM on cosmic scales.</span></p> <p><span>Simulation analyses—including FIRE-2, IllustrisTNG, EAGLE-XL, and Auriga—reproduce observed galactic and cluster-scale density profiles under the inferred SIDM interaction strength. Observational datasets from </span><span>Gaia EDR3</span><span>, </span><span>Hyper Suprime-Cam</span><span>, </span><span>DESI</span><span>, and </span><span>eROSITA</span><span> independently corroborate these results. Incorporation of precision-cascade cosmological correlations (established in Papers I–III) amplifies the SIDM signal and constrains model uncertainties by nearly a factor of 3.</span></p> <p><span>The cumulative analysis achieves a </span><span>7.2σ global detection significance</span><span>, establishing dark-matter self-interactions as an empirically supported physical property.<br>The </span><span>Lab-Grade Reproducibility Package</span><span> accompanying this release includes the full data architecture, covariance-aware analysis pipeline, and validation workflow for independent replication.</span></p> <p><span>This result confirms that dark matter exhibits measurable microphysics—transforming it from a gravitational placeholder into a particle-physics entity—and marks a decisive advance toward a unified, precision-validated cosmology.</span></p> <p> </p> <p> </p> <p><span>Paper 1 - <a href="https://doi.org/10.5281/zenodo.17345276">https://doi.org/10.5281/zenodo.17345276</a></span></p> <p> </p> <p><span>Paper 2 - <a href="https://doi.org/10.5281/zenodo.17308793">https://doi.org/10.5281/zenodo.17308793</a></span></p> <p> </p> <p><span>Paper 3 - <a href="https://doi.org/10.5281/zenodo.17379338">https://doi.org/10.5281/zenodo.17379338</a></span></p> <p> </p> |
| title | Dark Matter Microphysics — Detection of Self-Interactions and Cosmic Consequences - (Part IV of the Precision Cascade Cosmology Series) |
| url | https://doi.org/10.5281/zenodo.17438138 |