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| Scan de Van der Meer× | Reconstruction de trajectoires en physique des hautes énergies× | |
|---|---|---|
| Domaine | Physique des particules | Physique des particules |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 1985 | 1987 |
| Auteur d'origine≠ | Simon van der Meer | Charged particle physics community |
| Type≠ | Luminosity measurement method | Pattern recognition method |
| Source fondatrice≠ | Van der Meer, S. (1985). Stochastic damping of betatron oscillations in the ISR. CERN-ISR-PO/85-5. link ↗ | Fruhwirth, R. (1987). Application of Kalman filtering to track and vertex fitting. Nuclear Instruments and Methods in Physics Research Section A, 262(2-3), 444–450. DOI ↗ |
| Alias | beam scan, transverse beam profile, luminosity measurement | tracking, charged particle reconstruction, trajectory fitting |
| Apparentées | 3 | 3 |
| Résumé≠ | The Van der Meer scan is a precision measurement technique for determining the absolute luminosity at particle colliders by mechanically separating the colliding beams and measuring the collision rate as a function of beam separation. This fundamental calibration is essential for all cross-section measurements and physics analyses at the LHC and other hadron colliders. | Track reconstruction is the process of identifying and measuring the trajectories of charged particles through a detector, providing momentum and impact parameter information essential for particle identification, vertex reconstruction, and physics analysis in high-energy physics experiments. |
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