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Joint Theory Seminar: Jesse Thaler

Description Speaker: Jesse Thaler (MIT)
Title: The Hidden Geometry of Particle Collisions
Host:
Zoom: https://zoom.us/j/186024391

Abstract:
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.

Date Mon, November 16, 2020
Time 1:30pm-2:30pm PST
Duration 1 hour
Access Public
Created by High-Energy Seminars
Updated Wed, November 11, 2020 11:38am PST
Send Reminder Yes  -  0 days 8 hour 0 minutes before start

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