Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 53: Data Analysis, Information Technology and Artificial Intelligence 3

T 53.7: Vortrag

Dienstag, 22. März 2022, 17:45–18:00, T-H38

Generative Models For Hadron Shower Simulation — •Engin Eren — Deutsches Elektronen-Synchrotron, Notkestrasse 85, 22607 Hamburg, Germany

Simulations provide the crucial link between theoretical descriptions and experimental observations in particle physics. It describes fundamental processes or the interactions of particles with detectors. The high computational cost associated with producing precise simulations in sufficient quantities, e.g. for the upcoming data-taking phase of the Large Hadron Collider (LHC) or future colliders, motivates research into more computationally efficient solutions. However, the simulation of realistic showers in a highly granular detector remains a hard problem due to a large number of cells, values spanning many orders of magnitude, and the overall sparsity of data.

This contribution advances the state of the art in two key directions: Firstly, we present a precise generative model for the fast simulation of hadronic showers in a highly granular hadronic calorimeter. Secondly, we compare the achieved simulation quality before and after interfacing with a so-called particle-flow-based reconstruction algorithm. Together, these bring generative models one step closer to practical applications.