End-to-end latent variational diffusion models for inverse problems in high energy physics

A Shmakov, K Greif, M Fenton… - Advances in …, 2024 - proceedings.neurips.cc
High-energy collisions at the Large Hadron Collider (LHC) provide valuable insights into
open questions in particle physics. However, detector effects must be corrected before …

PC-JeDi: Diffusion for particle cloud generation in high energy physics

M Leigh, D Sengupta, G Quétant, JA Raine, K Zoch… - SciPost Physics, 2024 - scipost.org
In this paper, we present a new method to efficiently generate jets in High Energy Physics
called PC-JeDi. This method utilises score-based diffusion models in conjunction with …

Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding

V Andreev, M Arratia, A Baghdasaryan, A Baty… - Physical review …, 2022 - APS
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in
lepton-proton scattering at high momentum transfer is presented. These data, taken with the …

Fast and improved neutrino reconstruction in multineutrino final states with conditional normalizing flows

JA Raine, M Leigh, K Zoch, T Golling - Physical Review D, 2024 - APS
In this work we introduce ν 2-flows, an extension of the ν-flows method to final states
containing multiple neutrinos. The architecture can natively scale for all combinations of …

Unsupervised and lightly supervised learning in particle physics

J Bardhan, T Mandal, S Mitra, C Neeraj… - The European Physical …, 2024 - Springer
We review the main applications of machine learning models that are not fully supervised in
particle physics, ie, clustering, anomaly detection, detector simulation, and unfolding …

Improving generative model-based unfolding with Schrödinger bridges

S Diefenbacher, GH Liu, V Mikuni, B Nachman, W Nie - Physical Review D, 2024 - APS
Machine learning-based unfolding has enabled unbinned and high-dimensional differential
cross section measurements. Two main approaches have emerged in this research area; …

Precision-machine learning for the matrix element method

T Heimel, N Huetsch, R Winterhalder, T Plehn… - SciPost Physics, 2024 - scipost.org
The matrix element method is the LHC inference method of choice for limited statistics. We
present a dedicated machine learning framework, based on efficient phase-space …

How to understand limitations of generative networks

R Das, L Favaro, T Heimel, C Krause, T Plehn, D Shih - SciPost Physics, 2024 - scipost.org
Well-trained classifiers and their complete weight distributions provide us with a well-
motivated and practicable method to test generative networks in particle physics. We …

CaloFlow: fast and accurate generation of calorimeter showers with normalizing flows

C Krause, D Shih - arXiv preprint arXiv:2106.05285, 2021 - arxiv.org
We introduce CaloFlow, a fast detector simulation framework based on normalizing flows.
For the first time, we demonstrate that normalizing flows can reproduce many-channel …

The madnis reloaded

T Heimel, N Huetsch, F Maltoni, O Mattelaer, T Plehn… - SciPost Physics, 2024 - scipost.org
In pursuit of precise and fast theory predictions for the LHC, we present an implementation of
the MadNIS method in the MadGraph event generator. A series of improvements in MadNIS …