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Universal new physics latent space

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Author(s):
Hallin, Anna ; Kasieczka, Gregor ; Kraml, Sabine ; Lessa, Andre ; Moureaux, Louis ; von Schwartz, Tore ; Shih, David
Total Authors: 7
Document type: Journal article
Source: PHYSICAL REVIEW D; v. 111, n. 1, p. 17-pg., 2025-01-09.
Abstract

We develop a machine learning method for mapping data originating from both Standard Model processes and various theories beyond the Standard Model into a unified representation (latent) space while conserving information about the relationship between the underlying theories. We apply our method to three examples of new physics at the LHC of increasing complexity, showing that models can be clustered according to their LHC phenomenology: different models are mapped to distinct regions in latent space, while indistinguishable models are mapped to the same region. This opens interesting new avenues on several fronts, such as model discrimination, selection of representative benchmark scenarios, and identifying gaps in the coverage of model space. (AU)

FAPESP's process: 21/01089-1 - Cherenkov Telescope Array: construction and first discoveries
Grantee:Luiz Vitor de Souza Filho
Support Opportunities: Special Projects
FAPESP's process: 18/25225-9 - São Paulo Research and Analysis Center
Grantee:Sergio Ferraz Novaes
Support Opportunities: Special Projects