Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série P^3
Domaines hep-ph,hep-th
Date Mardi 23 Fevrier 2021
Heure 16:00
Institut IHP
Salle Seminar via zoom
Nom de l'orateur Thaler
Prenom de l'orateur Jesse
Addresse email de l'orateur
Institution de l'orateur MIT
Titre The Hidden Geometry of Particle Collisions
Résumé In this talk, I explain how various concepts and techniques in quantum field theory and collider physics can be naturally translated into a new geometric language. Using the energy mover's distance, which quantifies the minimal amount of "work" required to rearrange one event into another, we can define a distance between pairs of collider events. This distance can then be used to triangulate the "space" of collider events and rigorously define various geometric objects. Many well-known collider observables, jet algorithms, and pileup mitigation schemes have a simple geometric interpretation, as does the important concept of infrared and collinear safety. Intriguingly, these ideas can be lifted from a distance between events into a distance between theories, with potential relevance for visualizing and interpreting data from the LHC.
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