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Normalizing Flows for High-Dimensional Detector Simulations

by Florian Ernst, Luigi Favaro, Claudius Krause, Tilman Plehn, David Shih

Submission summary

Authors (as registered SciPost users): Luigi Favaro · Claudius Krause · Tilman Plehn
Submission information
Preprint Link: scipost_202312_00040v1  (pdf)
Code repository: https://github.com/heidelberg-hepml/CaloINN
Date submitted: 2023-12-22 12:53
Submitted by: Favaro, Luigi
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Phenomenology

Abstract

Whenever invertible generative networks are needed for LHC physics, normalizing flows show excellent performance. A challenge is their scaling to high-dimensional phase spaces. We investigate their performance for fast calorimeter shower simulations with increasing phase space dimension. In addition to the standard architecture we also employ a VAE to compress the dimensionality. Our study provides benchmarks for invertible networks applied to the CaloChallenge.

Current status:
In refereeing

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