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We extend the Particle-flow Neural Assisted Simulations (Parnassus) framework of fast simulation and reconstruction to entire collider events. In particular, we use two generative Artificial Intelligence (genAI) tools, continuous…

High Energy Physics - Experiment · Physics 2025-03-27 Etienne Dreyer , Eilam Gross , Dmitrii Kobylianskii , Vinicius Mikuni , Benjamin Nachman

Detector simulation and reconstruction are a significant computational bottleneck in particle physics. We develop Particle-flow Neural Assisted Simulations (Parnassus) to address this challenge. Our deep learning model takes as input a…

Data Analysis, Statistics and Probability · Physics 2024-11-22 Etienne Dreyer , Eilam Gross , Dmitrii Kobylianskii , Vinicius Mikuni , Benjamin Nachman , Nathalie Soybelman

The increasing luminosities of future Large Hadron Collider runs and next generation of collider experiments will require an unprecedented amount of simulated events to be produced. Such large scale productions are extremely demanding in…

Instrumentation and Detectors · Physics 2020-07-28 Artem Maevskiy , Denis Derkach , Nikita Kazeev , Andrey Ustyuzhanin , Maksim Artemev , Lucio Anderlini

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton…

High Energy Physics - Experiment · Physics 2021-08-26 Ali Hariri , Darya Dyachkova , Sergei Gleyzer

To handle the complexities of real-world traffic, learning planners for self-driving from data is a promising direction. While recent approaches have shown great progress, they typically assume a setting in which the ground-truth world…

Robotics · Computer Science 2025-05-14 Niklas Hanselmann , Simon Doll , Marius Cordts , Hendrik P. A. Lensch , Andreas Geiger

The increasing luminosities of future data taking at Large Hadron Collider and next generation collider experiments require an unprecedented amount of simulated events to be produced. Such large scale productions demand a significant amount…

Instrumentation and Detectors · Physics 2023-03-01 Lucio Anderlini , Matteo Barbetti , Denis Derkach , Nikita Kazeev , Artem Maevskiy , Sergei Mokhnenko

The Global Event Processor (GEP) FPGA is an area-constrained, performance-critical element of the Large Hadron Collider's (LHC) ATLAS experiment. It needs to very quickly determine which small fraction of detected events should be retained…

Simulating detector responses is a crucial part of understanding the inner workings of particle collisions in the Large Hadron Collider at CERN. Such simulations are currently performed with statistical Monte Carlo methods, which are…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Patryk Będkowski , Jan Dubiński , Filip Szatkowski , Kamil Deja , Przemysław Rokita , Tomasz Trzciński

Ensuring the reproducibility of physics results is one of the crucial challenges in high-energy physics (HEP). In this study, we develop a proof-of-concept system that uses large language models (LLMs) to extract analysis procedures from…

Data Analysis, Statistics and Probability · Physics 2026-04-17 Masahiko Saito , Tomoe Kishimoto , Junichi Tanaka

The LHCb experiment at the Large Hadron Collider (LHC) is designed to perform high-precision measurements of heavy-hadron decays, which requires the collection of large data samples and a good understanding and suppression of multiple…

High Energy Physics - Experiment · Physics 2023-05-01 Julián García Pardiñas , Marta Calvi , Jonas Eschle , Andrea Mauri , Simone Meloni , Martina Mozzanica , Nicola Serra

In collider experiments, the kinematic reconstruction of heavy, short-lived particles is vital for precision tests of the Standard Model and in searches for physics beyond it. Performing kinematic reconstruction in collider events with many…

High Energy Physics - Phenomenology · Physics 2025-02-13 Callum Birch-Sykes , Brian Le , Yvonne Peters , Ethan Simpson , Zihan Zhang

Event reconstruction is a central step in many particle physics experiments, turning detector observables into parameter estimates; for example estimating the energy of an interaction given the sensor readout of a detector. A corresponding…

High Energy Physics - Experiment · Physics 2023-01-11 Philipp Eller , Aaron Fienberg , Jan Weldert , Garrett Wendel , Sebastian Böser , D. F. Cowen

About 90% of the computing resources available to the LHCb experiment has been spent to produce simulated data samples for Run 2 of the Large Hadron Collider at CERN. The upgraded LHCb detector will be able to collect larger data samples,…

High Energy Physics - Experiment · Physics 2024-09-02 Matteo Barbetti

We investigate how a Generative Adversarial Network could be used to generate a list of particle four-momenta from LHC proton collisions, allowing one to define a generative model that could abstract from the irregularities of typical…

High Energy Physics - Experiment · Physics 2020-07-22 Jesus Arjona Martinez , Thong Q Nguyen , Maurizio Pierini , Maria Spiropulu , Jean-Roch Vlimant

AI-supported algorithms, particularly generative models, have been successfully used in a variety of different contexts. In this work, we demonstrate for the first time that generative adversarial networks (GANs) can be used in high-energy…

High-fidelity measurements of continuum physical fields are essential for scientific discovery and engineering design but remain challenging under sparse and constrained sensing. Conventional reconstruction methods typically rely on fixed…

Machine Learning · Computer Science 2026-05-28 Huayu Deng , Jinghui Zhong , Xiangming Zhu , Yunbo Wang , Xiaokang Yang

LHCb is one of the major experiments operating at the Large Hadron Collider at CERN. The richness of the physics program and the increasing precision of the measurements in LHCb lead to the need of ever larger simulated samples. This need…

Instrumentation and Detectors · Physics 2021-02-03 Fedor Ratnikov

CompHEP, as a partonic event generator, and PYTHIA, as a generator of final states of detectable objects, are interfaced. Thus, integrated tool is proposed for simulation of (almost) arbitrary collision processes at the level of detectable…

LHC analyses directly comparing data and simulated events bear the danger of using first-principle predictions only as a black-box part of event simulation. We show how simulations, for instance, of detector effects can instead be inverted…

High Energy Physics - Phenomenology · Physics 2022-12-06 Marco Bellagente , Anja Butter , Gregor Kasieczka , Tilman Plehn , Ramon Winterhalder

The version 3.0 of the DELPHES fast-simulation is presented. The goal of DELPHES is to allow the simulation of a multipurpose detector for phenomenological studies. The simulation includes a track propagation system embedded in a magnetic…

High Energy Physics - Experiment · Physics 2014-03-24 J. de Favereau , C. Delaere , P. Demin , A. Giammanco , V. Lemaître , A. Mertens , M. Selvaggi
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