Comparer des méthodes
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| Scan de Van der Meer× | Énergie Transverse Manquante× | |
|---|---|---|
| Domaine | Physique des particules | Physique des particules |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 1985 | 1990 |
| Auteur d'origine≠ | Simon van der Meer | Neutrino physics community (post-1960s) |
| Type≠ | Luminosity measurement method | Invisible particle detection method |
| Source fondatrice≠ | Van der Meer, S. (1985). Stochastic damping of betatron oscillations in the ISR. CERN-ISR-PO/85-5. link ↗ | Khachatryan, V., et al. (CMS Collaboration). (2014). Performance of missing transverse momentum reconstruction in proton-proton collisions at 7 TeV with ATLAS. Journal of High Energy Physics, 2012(07), 167. link ↗ |
| Alias | beam scan, transverse beam profile, luminosity measurement | MET, missing transverse momentum, invisible energy |
| 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. | Missing transverse energy (MET) is a powerful technique used in high-energy physics to infer the presence of invisible particles, primarily neutrinos, that escape a detector without leaving a trace. By measuring the imbalance of transverse momentum in the event, physicists can detect signatures of weakly interacting particles crucial for studying the Standard Model and searching for new physics beyond it. |
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