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Reconstruction-based approaches to anomaly detection tend to fall short when applied to complex datasets with target classes that possess high inter-class variance. Similar to the idea of self-taught learning used in transfer learning, many…

Machine Learning · Computer Science 2021-11-16 Muhammad S. Battikh , Artem A. Lenskiy

LLM-based autonomous agents lack persistent procedural memory: they re-derive solutions from scratch even when structurally identical tasks have been solved before. We present APEX-EM, a non-parametric online learning framework that…

Computation and Language · Computer Science 2026-04-06 Pratyay Banerjee , Masud Moshtaghi , Ankit Chadha

Inferring model parameters from experimental data is a grand challenge in many sciences, including cosmology. This often relies critically on high fidelity numerical simulations, which are prohibitively computationally expensive. The…

Instrumentation and Methods for Astrophysics · Physics 2019-05-23 Mustafa Mustafa , Deborah Bard , Wahid Bhimji , Zarija Lukić , Rami Al-Rfou , Jan M. Kratochvil

This work presents advancements in model-agnostic searches for new physics at the Large Hadron Collider (LHC) through the application of event-based anomaly detection techniques utilizing unsupervised machine learning. We discuss the…

High Energy Physics - Phenomenology · Physics 2025-12-01 Wasikul Islam , Sergei Chekanov , Nicholas Luongo

With increasing emphasis on carbon neutrality, accurate and efficient combustion prediction has become essential for the design and optimization of new generation combustion systems. This study established a computational framework by…

Large language model-based AI agents are now able to autonomously execute substantial portions of a high energy physics (HEP) analysis pipeline with minimal expert-curated input. Given access to a HEP dataset, an execution framework, and a…

High Energy Physics - Experiment · Physics 2026-04-02 Eric A. Moreno , Samuel Bright-Thonney , Andrzej Novak , Dolores Garcia , Philip Harris

The computational intensity of detector simulation and event reconstruction poses a significant difficulty for data analysis in collider experiments. This challenge inspires the continued development of machine learning techniques to serve…

High Energy Physics - Experiment · Physics 2024-11-22 Dmitrii Kobylianskii , Nathalie Soybelman , Nilotpal Kakati , Etienne Dreyer , Benjamin Nachman , Eilam Gross

We introduce a foundation model for event classification in high-energy physics, built on a Graph Neural Network architecture and trained on 120 million simulated proton-proton collision events spanning 12 distinct physics processes. The…

High Energy Physics - Phenomenology · Physics 2026-05-08 Joshua Ho , Benjamin Ryan Roberts , Shuo Han , Haichen Wang

The central arm spectrometers for the PHENIX experiment at the Relativistic Heavy Ion Collider have been designed for the optimization of particle identification in relativistic heavy ion collisions. The spectrometers present a challenging…

Nuclear Experiment · Physics 2009-11-07 J. T. Mitchell , PHENIX Collaboration

A fast simulation of the detector response is a vital task in high-energy physics (HEP). Traditional Monte-Carlo methods form the backbone of modern particle physics simulation software but are computationally expensive. We present a…

High Energy Physics - Experiment · Physics 2026-05-20 Foma Shipilov , Alexander Barnyakov , Artem Ivanov , Fedor Ratnikov

This paper presents a new $\tau$-lepton reconstruction and identification procedure at the ATLAS detector at the Large Hadron Collider, which leads to significantly improved performance in the case of physics processes where a highly…

High Energy Physics - Experiment · Physics 2025-07-09 ATLAS Collaboration

Large language models (LLMs) aligned for safety through techniques like reinforcement learning from human feedback (RLHF) often exhibit emergent deceptive behaviors, where outputs appear compliant but subtly mislead or omit critical…

Machine Learning · Computer Science 2025-07-15 Santhosh Kumar Ravindran

Full jet reconstruction in heavy ion events has been thought to be difficult due to large multiplicity backgrounds. A new generation of jet reconstruction algorithms to search for new physics in high luminosity p+p collisions at the LHC is…

High Energy Physics - Experiment · Physics 2009-10-13 Sevil Salur

This paper presents a simulation workflow for generating synthetic LiDAR datasets to support autonomous vehicle perception, robotics research, and sensor security analysis. Leveraging the CoppeliaSim simulation environment and its Python…

Robotics · Computer Science 2025-06-24 Abhishek Phadke , Shakib Mahmud Dipto , Pratip Rana

There have been many applications of deep neural networks to detector calibrations and a growing number of studies that propose deep generative models as automated fast detector simulators. We show that these two tasks can be unified by…

High Energy Physics - Phenomenology · Physics 2025-04-14 Haoxing Du , Claudius Krause , Vinicius Mikuni , Benjamin Nachman , Ian Pang , David Shih

Searches for new physics at the LHC at CERN traditionally use advanced simulations to model Standard Model and new-physics processes in high-energy collisions and compare them with data. The lack of recent direct discoveries, however, has…

High Energy Physics - Experiment · Physics 2025-09-30 Antonio D'Avanzo

We present a study for the generation of events from a physical process with deep generative models. The simulation of physical processes requires not only the production of physical events, but also to ensure these events occur with the…

Semi-supervision in Machine Learning can be used in searches for new physics where the signal plus background regions are not labelled. This strongly reduces model dependency in the search for signals Beyond the Standard Model. This…

High Energy Physics - Phenomenology · Physics 2022-02-04 Thabang Lebese , Xifeng Ruan

In high energy physics, the ability to reconstruct particles based on their detector signatures is essential for downstream data analyses. A particle reconstruction algorithm based on learning hypergraphs (HGPflow) has previously been…

High Energy Physics - Experiment · Physics 2025-05-02 Nilotpal Kakati , Etienne Dreyer , Anna Ivina , Francesco Armando Di Bello , Lukas Heinrich , Marumi Kado , Eilam Gross

We consider reconstruction of an ambient signal in a compressed sensing (CS) setup where the ambient signal has a neural network based generative model. The generative model has a sparse-latent input and we refer to the generated ambient…

Machine Learning · Computer Science 2023-10-24 Antoine Honoré , Anubhab Ghosh , Saikat Chatterjee
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