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For the analysis of data taken by Imaging Air Cherenkov Telescopes (IACTs), a large number of air shower simulations are needed to derive the instrument response. The simulations are very complex, involving computational and…

Instrumentation and Methods for Astrophysics · Physics 2024-04-12 Christian Elflein , Stefan Funk , Jonas Glombitza

The precise modeling of subatomic particle interactions and propagation through matter is paramount for the advancement of nuclear and particle physics searches and precision measurements. The most computationally expensive step in the…

High Energy Physics - Experiment · Physics 2018-02-07 Michela Paganini , Luke de Oliveira , Benjamin Nachman

High energy physics experiments essentially rely on simulated data for physics analyses. However, running detailed simulation models requires a tremendous amount of computation resources. New approaches to speed up detector simulation are…

Data Analysis, Statistics and Probability · Physics 2023-03-01 Alexander Rogachev , Fedor Ratnikov

The need for fast simulation programs is emphasised, both in terms of the need for "rapid response" to new results - in particular from the LHC - and new theoretical ideas, and in terms of how to cope with multi-billion simulated event…

Instrumentation and Detectors · Physics 2012-03-02 Mikael Berggren

A major LHCb detector upgrade will be installed during long shutdown~4 (LS4) of the CERN Large Hadron Collider. The experiment will operate at a maximum luminosity of up to $1.5\times 10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$, with acceptance…

High Energy Physics - Experiment · Physics 2025-04-07 LHCb collaboration

In particle physics the simulation of particle transport through detectors requires an enormous amount of computational resources, utilizing more than 50% of the resources of the CERN Worldwide Large Hadron Collider Grid. This challenge has…

High Energy Physics - Experiment · Physics 2021-03-26 Florian Rehm , Sofia Vallecorsa , Kerstin Borras , Dirk Krücker

Full detector simulation was among the largest CPU consumer in all CERN experiment software stacks for the first two runs of the Large Hadron Collider (LHC). In the early 2010's, the projections were that simulation demands would scale…

Currently, over half of the computing power at CERN GRID is used to run High Energy Physics simulations. The recent updates at the Large Hadron Collider (LHC) create the need for developing more efficient simulation methods. In particular,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Jan Dubiński , Kamil Deja , Sandro Wenzel , Przemysław Rokita , Tomasz Trzciński

The ATLAS experiment at the Large Hadron Collider has a broad physics programme ranging from precision measurements to direct searches for new particles and new interactions, requiring ever larger and ever more accurate datasets of…

High Energy Physics - Experiment · Physics 2024-11-25 ATLAS Collaboration

LHC physics crucially relies on our ability to simulate events efficiently from first principles. Modern machine learning, specifically generative networks, will help us tackle simulation challenges for the coming LHC runs. Such networks…

High Energy Physics - Phenomenology · Physics 2020-08-20 Anja Butter , Tilman Plehn

The upgraded LHCb detector, due to start datataking in 2022, will have to process an average data rate of 4~TB/s in real time. Because LHCb's physics objectives require that the full detector information for every LHC bunch crossing is read…

As the particle physics community needs higher and higher precisions in order to test our current model of the subatomic world, larger and larger datasets are necessary. With upgrades scheduled for the detectors of colliding-beam…

Data Analysis, Statistics and Probability · Physics 2025-09-09 Fotis I. Giasemis

We propose a way to simulate Cherenkov detector response using a generative adversarial neural network to bypass low-level details. This network is trained to reproduce high level features of the simulated detector events based on input…

High Energy Physics - Experiment · Physics 2019-03-29 Denis Derkach , Nikita Kazeev , Fedor Ratnikov , Andrey Ustyuzhanin , Alexandra Volokhova

The precise simulation of particle transport through detectors remains a key element for the successful interpretation of high energy physics results. However, Monte Carlo based simulation is extremely demanding in terms of computing…

High Energy Physics - Experiment · Physics 2021-09-08 Florian Rehm , Sofia Vallecorsa , Kerstin Borras , Dirk Krücker

Using generative adversarial networks (GANs), we investigate the possibility of creating large amounts of analysis-specific simulated LHC events at limited computing cost. This kind of generative model is analysis specific in the sense that…

High Energy Physics - Experiment · Physics 2019-01-17 Bobak Hashemi , Nick Amin , Kaustuv Datta , Dominick Olivito , Maurizio Pierini

ALP-mediated decays and other as-yet unobserved $B$ decays to di-photon final states are a challenge to select in hadron collider environments due to the large backgrounds that come directly from the $pp$ collision. We present the strategy…

High Energy Physics - Experiment · Physics 2019-11-13 Sean Benson , Adrián Casais Vidal , Xabier Cid Vidal , Albert Puig Navarro

The LHCb collaboration is one of the four major experiments at the Large Hadron Collider at CERN. Many petabytes of data are produced by the detectors and Monte-Carlo simulations. The LHCb Grid interware LHCbDIRAC is used to make data…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-12-06 Mikhail Hushchyn , Andrey Ustyuzhanin , Philippe Charpentier , Christophe Haen

The speed and fidelity of detector simulations in particle physics pose compelling questions about LHC analysis and future colliders. The sparse high-dimensional data, combined with the required precision, provide a challenging task for…

High Energy Physics - Phenomenology · Physics 2026-01-27 Luigi Favaro , Andrea Giammanco , Claudius Krause

The Large Hadron Collider forward (LHCf) experiment has been designed to use the LHC to benchmark the hadronic interaction models used in cosmic-ray physics. The LHCf experiment measures neutral particles emitted in the very forward region…