25–26 Jan 2024
Instituto Superior Técnico
Europe/Lisbon timezone

Presentation 23: New Physics Searches at the LHC using Anomaly Detection

25 Jan 2024, 16:54
12m
Anfiteatro PA1 ( Instituto Superior Técnico )

Anfiteatro PA1

Instituto Superior Técnico

Av. Rovisco Pais 1, 1049-001 Lisboa

Speaker

Inês Moreira (Instituto Superior Técnico)

Description

The Standard Model (SM) of Particle Physics is notably descriptive and predicted new particles well in advance. Still, there is paramount evidence for the need of New Physics beyond the Standard Model (BSM), Conventionally, searches are driven by specific signals and theory assumptions, preventing a complete exclusion of new phenomena. A new paradigm is to use Anomaly Detection techniques in order to conduct more generic analyses, able to discover any event unforeseen by the SM.

In the spirit of implementing model agnostic searches for New Physics, in this work we will systematically compare various Anomaly Detection methods. The purpose is to analyze the performance of different
methods when applied to the same benchmark signals using identical evaluation metrics. This involves exploring variations and combinations of methods found in the literature. We will give focus our attention exploring clustering and graph network methods during this project.

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