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Related papers: Transformers for Charged Particle Track Reconstruc…

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The reconstruction of the trajectories of charged particles, or track reconstruction, is a key computational challenge for particle and nuclear physics experiments. While the tuning of track reconstruction algorithms can depend strongly on…

The challenging task of multi-object tracking (MOT) requires simultaneous reasoning about track initialization, identity, and spatio-temporal trajectories. We formulate this task as a frame-to-frame set prediction problem and introduce…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Tim Meinhardt , Alexander Kirillov , Laura Leal-Taixe , Christoph Feichtenhofer

In high-energy particle collisions, the reconstruction of secondary vertices from heavy-flavour hadron decays is crucial for identifying and studying jets initiated by $b$- or $c$-quarks. Traditional methods, while effective, require…

High Energy Physics - Experiment · Physics 2024-11-08 Samuel Van Stroud , Nikita Pond , Max Hart , Jackson Barr , Sébastien Rettie , Gabriel Facini , Tim Scanlon

Phenomenological proposals of searches for new, long-lived particles face a challenge when estimating the reconstruction efficiency of displaced charged-particle tracks. The efficiency depends not only on the charged-particle's momentum…

High Energy Physics - Experiment · Physics 2025-01-03 Emilie Bertholet , Abner Soffer

In LHC Run 3, ALICE will increase the data taking rate significantly to continuous readout of 50 kHz minimum bias Pb-Pb collisions. The reconstruction strategy of the online offline computing upgrade foresees a first synchronous online…

Instrumentation and Detectors · Physics 2018-11-29 David Rohr , Sergey Gorbunov , Marten Ole Schmidt , Ruben Shahoyan

We present a new publicly available dataset that contains simulated data of a novel calorimeter to be installed at the CERN Large Hadron Collider. This detector will have more than six-million channels with each channel capable of position,…

High Energy Physics - Experiment · Physics 2023-09-14 Roger Rusack , Bhargav Joshi , Alpana Alpana , Seema Sharma , Thomas Vadnais

Charged particle reconstruction in the presence of many simultaneous proton-proton ($pp$) collisions in the LHC is a challenging task for the ATLAS experiment's reconstruction software due to the combinatorial complexity. This paper…

High Energy Physics - Experiment · Physics 2024-04-11 ATLAS Collaboration

The project OptoTracker aims to investigate a new approach to track charged particles in a scintillating material, by using the optical signal. Our idea is to reconstruct the trajectory of a charged particle by collecting the scintillation…

Instrumentation and Detectors · Physics 2016-06-10 A. Celentano

Computing centres, including those used to process High-Energy Physics data and simulations, are increasingly providing significant fractions of their computing resources through hardware architectures other than x86 CPUs, with GPUs being a…

Instrumentation and Detectors · Physics 2021-11-23 Xiaocong Ai , Georgiana Mania , Heather M. Gray , Michael Kuhn , Nicholas Styles

A neural network solution for a complicated experimental High Energy Physics problem is described. The method is used to reconstruct the momentum and charge of muons produced in collisions of particle in the ATLAS detector. The information…

High Energy Physics - Experiment · Physics 2014-11-17 Gideon Dror , Erez Etzion

Ring Imaging Cherenkov (RICH) detectors are a key component of particle identification systems in many particle, nuclear and astroparticle physics experiments. Their ultimate performance depends not only on detector design and hardware…

Data Analysis, Statistics and Probability · Physics 2026-03-16 Luka Santelj

Precise reconstruction of top quark properties is a challenging task at the Large Hadron Collider due to combinatorial backgrounds and missing information. We introduce a physics-informed neural network architecture called the Covariant…

High Energy Physics - Phenomenology · Physics 2023-07-05 Shikai Qiu , Shuo Han , Xiangyang Ju , Benjamin Nachman , Haichen Wang

The central arm spectrometers for the PHENIX experiment at the Relativistic Heavy Ion Collider have been designed for the optimization of particle identification in relativistic heavy ion collisions. The spectrometers present a challenging…

Nuclear Experiment · Physics 2009-11-07 J. T. Mitchell , PHENIX Collaboration

In the High-Level Trigger (HLT) of both electron-positron and hadron collision experiments, the tracking process for large-volume gaseous detectors typically consumes a latency of hundreds of milliseconds. Upgrades of existing experiments…

Instrumentation and Detectors · Physics 2026-05-18 Pengkun Jia , Zhujun Fang , Hang Zhou , Yuhe Huang , Changqing Feng , Jianbei Liu

Missing transverse momentum is a crucial observable for physics at hadron colliders, being the only constraint on the kinematics of "invisible" objects such as neutrinos and hypothetical dark matter particles. Computing missing transverse…

The LHC experiments are designed to detect large amount of physics events produced with a very high rate. Considering the future upgrades, the data acquisition rate will become even higher and new computing paradigms must be adopted for…

Track reconstruction is a crucial task in particle experiments and is traditionally very computationally expensive due to its combinatorial nature. Recently, graph neural networks (GNNs) have emerged as a promising approach that can improve…

Data Analysis, Statistics and Probability · Physics 2024-07-22 Paolo Calafiura , Jay Chan , Loic Delabrouille , Brandon Wang

Single-object tracking is a well-known and challenging research topic in computer vision. Over the last two decades, numerous researchers have proposed various algorithms to solve this problem and achieved promising results. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Janani Thangavel , Thanikasalam Kokul , Amirthalingam Ramanan , Subha Fernando

A novel technique based on machine learning is introduced to reconstruct the decays of highly Lorentz-boosted particles. Using an end-to-end deep learning strategy, the technique bypasses existing rule-based particle reconstruction methods…

High Energy Physics - Experiment · Physics 2023-10-04 CMS Collaboration

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