Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 93: Search for New Particles 6
T 93.4: Vortrag
Donnerstag, 24. März 2022, 17:00–17:15, T-H24
How to Identify Anomalies at the LHC — •Thorsten Buss1, Barry Dillon1, Thorben Finke2, Michael Krämer2, Alessandro Morandini2, Alexander Mück2, Ivan Oleksiuk2, and Tilman Plehn1 — 1Institut für Theoretische Physik, Universität Heidelberg, Germany — 2Institute for Theoretical Particle Physics and Cosmology (TTK), RWTH Aachen, Germany
Searches for anomalous events are the main motivation for the LHC and define key analysis steps, including triggers. We discuss how LHC anomalies are defined through probability density estimates evaluated through an appropriate latent space. Different approaches, like invertible networks, and Dirichlet latent spaces are illustrated for the especially challenging scenario of dark matter jets. Finally, we present benchmark results for unsupervised top vs QCD jet tagging.