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Related papers: OmniJet-${\alpha}_C$: Learning point cloud calorim…

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Well-trained classifiers and their complete weight distributions provide us with a well-motivated and practicable method to test generative networks in particle physics. We illustrate their benefits for distribution-shifted jets,…

High Energy Physics - Phenomenology · Physics 2024-01-31 Ranit Das , Luigi Favaro , Theo Heimel , Claudius Krause , Tilman Plehn , David Shih

Motivated by the computational limitations of simulating interactions of particles in highly-granular detectors, there exists a concerted effort to build fast and exact machine-learning-based shower simulators. This work reports progress on…

The high-luminosity upgrade of the LHC will come with unprecedented physics and computing challenges. One of these challenges is the accurate reconstruction of particles in events with up to 200 simultaneous proton-proton interactions. The…

Instrumentation and Detectors · Physics 2021-06-04 Shah Rukh Qasim , Kenneth Long , Jan Kieseler , Maurizio Pierini , Raheel Nawaz

Whenever invertible generative networks are needed for LHC physics, normalizing flows show excellent performance. In this work, we investigate their performance for fast calorimeter shower simulations with increasing phase space dimension.…

High Energy Physics - Phenomenology · Physics 2025-03-06 Florian Ernst , Luigi Favaro , Claudius Krause , Tilman Plehn , David Shih

In High Energy Physics, detailed calorimeter simulations and reconstructions are essential for accurate energy measurements and particle identification, but their high granularity makes them computationally expensive. Developing data-driven…

Instrumentation and Detectors · Physics 2026-03-31 Andrea Cosso

We study whether machine-learning models for fast calorimeter simulations can learn meaningful representations of calorimeter signatures that account for variations in the full particle detector's configuration. This may open new…

Instrumentation and Detectors · Physics 2025-08-29 Johannes Erdmann , Jonas Kann , Florian Mausolf , Peter Wissmann

Cloud microphysical parameterizations in atmospheric models describe the formation and evolution of clouds and precipitation, a central weather and climate process. Cloud-associated latent heating is a primary driver of large and…

Methods for processing point cloud information have seen a great success in collider physics applications. One recent breakthrough in machine learning is the usage of Transformer networks to learn semantic relationships between sequences in…

Data Analysis, Statistics and Probability · Physics 2021-07-19 Vinicius Mikuni , Florencia Canelli

Weather modeling requires both accurate prediction and mechanistic interpretation, yet existing methods treat these goals in isolation, separating generation from understanding. To address this gap, we present Omni-Weather, the first…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhiwang Zhou , Yuandong Pu , Xuming He , Yidi Liu , Yixin Chen , Junchao Gong , Xiang Zhuang , Wanghan Xu , Qinglong Cao , Shixiang Tang , Yihao Liu , Wenlong Zhang , Lei Bai

We present LEMURS: an extensive dataset of simulated calorimeter showers designed to support the development and benchmarking of fast simulation methods in high-energy physics, most notably providing a step towards the development of…

Instrumentation and Detectors · Physics 2025-11-04 Peter McKeown , Piyush Raikwar , Anna Zaborowska

Transformers have been successful for many natural language processing tasks. However, applying transformers to the video domain for tasks such as long-term video generation and scene understanding has remained elusive due to the high…

Machine Learning · Computer Science 2021-07-21 Yi-Fu Wu , Jaesik Yoon , Sungjin Ahn

Pions constitute nearly $70\%$ of final state particles in ultra high energy collisions. They act as a probe to understand the statistical properties of Quantum Chromodynamics (QCD) matter i.e. Quark Gluon Plasma (QGP) created in such…

Data Analysis, Statistics and Probability · Physics 2021-03-31 Yogesh Verma , Satyajit Jena

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Katja Seidel

Generative diffusion models have shown empirical successes in point cloud resampling, generating a denser and more uniform distribution of points from sparse or noisy 3D point clouds by progressively refining noise into structure. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Wenqiang Xu , Wenrui Dai , Duoduo Xue , Ziyang Zheng , Chenglin Li , Junni Zou , Hongkai Xiong

In this paper, we propose a simple yet effective method to represent point clouds as sets of samples drawn from a cloud-specific probability distribution. This interpretation matches intrinsic characteristics of point clouds: the number of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Michał Stypułkowski , Kacper Kania , Maciej Zamorski , Maciej Zięba , Tomasz Trzciński , Jan Chorowski

The original dual-readout calorimeter prototype (DREAM), constructed two decades ago, has proven instrumental in advancing our understanding of calorimetry. It has facilitated a multitude of breakthroughs by leveraging signals from…

Instrumentation and Detectors · Physics 2024-08-29 N. Akchurin , J. Cash , J. Damgov , X. Delashaw , K. Lamichhane , M. Harris , M. Kelley , S. Kunori , H. Mergate-Cacace , T. Peltola , O. Schneider , J. Sewell

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

In High Energy Physics simulations play a crucial role in unraveling the complexities of particle collision experiments within CERN's Large Hadron Collider. Machine learning simulation methods have garnered attention as promising…

Data Analysis, Statistics and Probability · Physics 2024-06-06 Mikołaj Kita , Jan Dubiński , Przemysław Rokita , Kamil Deja

Precision measurement of hadronic final states presents complex experimental challenges. The study explores the concept of a gaseous Digital Hadronic Calorimeter (DHCAL) and discusses the potential benefits of employing Graph Neural Network…

High Energy Physics - Phenomenology · Physics 2025-04-10 Maryna Borysova , Shikma Bressler , Eilam Gross , Nilotpal Kakati , Darina Zavazieva

In High Energy Physics, detailed and time-consuming simulations are used for particle interactions with detectors. To bypass these simulations with a generative model, the generation of large point clouds in a short time is required, while…

Data Analysis, Statistics and Probability · Physics 2024-01-03 Moritz Alfons Wilhelm Scham , Dirk Krücker , Kerstin Borras