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| NFW-haloprofil× | Matrix Element Metoden× | |
|---|---|---|
| Fagområde | Partikelfysik | Partikelfysik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1997 | 1988 |
| Ophavsperson≠ | Julio Navarro, Carlos Frenk, Simon White | K. Kondo |
| Type≠ | Halo density model | Probability calculation framework |
| Oprindelig kilde≠ | Navarro, J. F., Frenk, C. S., & White, S. D. M. (1997). A universal density profile from hierarchical clustering. The Astrophysical Journal, 490(2), 493. DOI ↗ | Kondo, K. (1988). Dynamical likelihood method for reconstruction of events produced by the top-quark pair in the lepton + jets channel at hadron colliders. Journal of the Physical Society of Japan, 57(12), 4126–4140. link ↗ |
| Aliasser | NFW profile, dark matter density profile, halo model | MEM, matrix element calculation, amplitude evaluation |
| Relaterede | 3 | 3 |
| Resumé≠ | The Navarro-Frenk-White (NFW) profile is a widely-adopted density profile for dark matter halos emerging from cosmological simulations. It provides a simple parametric description of how dark matter density varies with distance from the halo center, essential for modeling galaxy cluster mass distributions, weak lensing, and dark matter annihilation signals. | The Matrix Element Method (MEM) is a powerful analysis technique that leverages quantum field theory amplitudes to extract maximum physics information from individual events. By comparing observed detector signatures to predictions from matrix elements, MEM provides unbiased, model-independent measurements with excellent theoretical precision and sensitivity to new physics. |
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