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Constraining Effective Field Theories with Machine Learning

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Brehmer, Johann, Cranmer, Kyle, Louppe, Gilles, Pavez, Juan·2018·Physical Review Letters

Abstract

We present powerful new analysis techniques to constrain effective field theories at the LHC. By leveraging the structure of particle physics processes, we extract extra information from Monte Carlo simulations, which can be used to train neural network models that estimate the likelihood ratio. These methods scale well to processes with many observables and theory parameters, do not require any approximations of the parton shower or detector response, and can be evaluated in microseconds. We show that they allow us to put significantly stronger bounds on dimension-six operators than existing methods, demonstrating their potential to improve the precision of the LHC legacy constraints.

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Metadata

Authors
Brehmer, J., Cranmer, K., Louppe, G., & Pavez, J.
Venue
Physical Review Letters
Published
2018-09-12
Volume
121
Issue
11
Pages
111801-111801
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2798398359
Cited by
160
References
0
FWCI
11.85
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Constraining Effective Field Theories with Machine Learning. https://app.cochat.ai/papers/10.1103/physrevlett.121.111801
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Brehmer, J., Cranmer, K., Louppe, G., & Pavez, J. (2018). Constraining Effective Field Theories with Machine Learning. Physical Review Letters. https://doi.org/10.1103/physrevlett.121.111801

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