Graph Variational Autoencoder for Detector Reconstruction and Fast Simulation in High-Energy Physics

18 May 2021, 15:26
13m
Short Talk Offline Computing Artificial Intelligence

Speaker

Ali Hariri (American University of Beirut (LB))

Description

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with the detector is both time consuming and computationally expensive. With its proton-proton collision energy of 13 TeV, the Large Hadron Collider is uniquely positioned to detect and measure the rare phenomena that can shape our knowledge of new interactions. The High-Luminosity Large Hadron Collider (HL-LHC) upgrade will put a significant strain on the computing infrastructure and budget due to increased event rate and levels of pile-up. Simulation of high-energy physics collisions needs to be significantly faster without sacrificing the physics accuracy. Machine learning approaches can offer faster solutions, while maintaining a high level of fidelity. We introduce a graph generative model that provides effective reconstruction of LHC events on the level of calorimeter deposits and tracks, paving the way for full detector level fast simulation.

Primary authors

Ali Hariri (American University of Beirut (LB)) Mr Sitong An (CERN) Mr John Blue (Davidson College) Dr Davide Di Croce (University of Alabama) Mrs Darya Dyachkova (Minerva Schools at KGI) Prof. Sergei Gleyzer (University of Alabama) Prof. Michelle Kuchera (Davidson College) Prof. Harrison Prosper (Florida State University) Dr Emanuele Usai (Brown University)

Presentation materials

Proceedings

Paper