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The radio detection of extensive air showers provides a powerful method for studying the origin of high-energy cosmic rays. The Low-Frequency Array (LOFAR) offers unprecedentedly detailed measurements of the radio emission footprint.…

Accurate clustering of electromagnetic energy deposits is essential for reconstructing photons and electrons in modern hadron collider experiments, where boosted topologies and pileup cause overlapping showers and ambiguous energy…

High Energy Physics - Experiment · Physics 2026-03-20 Yuliia Maidannyk , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

Low-energy strong interactions are a major source of background at hadron colliders, and methods of subtracting the associated energy flow are well established in the field. Traditional approaches treat the contamination as diffuse, and…

Data Analysis, Statistics and Probability · Physics 2014-12-22 Federico Colecchia

The Cosmic Ray Energetics And Mass (CREAM) balloon-borne experiment was first flown from Antarctica in December 2004. The instrument includes a tungsten/Sci-Fi calorimeter preceded by a graphite target (~0.5 interaction length and ~1…

Astrophysics · Physics 2012-08-27 The CREAM Collaboration

In this paper we outline a new parton shower algorithm based on the Catani-Seymour dipole factorization. Our motivation is to have an algorithm which can naturally cooperate with the NLO calculations.

High Energy Physics - Phenomenology · Physics 2017-08-23 Zoltan Nagy , Davison E. Soper

We introduce shower deconstruction, a method to look for new physics in a hadronic environment. The method aims to be a full information approach using small jets. It assigns to each event a number chi that is an estimate of the ratio of…

High Energy Physics - Phenomenology · Physics 2013-05-29 Davison E. Soper , Michael Spannowsky

A particle flow event-reconstruction algorithm has been successfully deployed in the CMS experiment and is nowadays used by most of the analyses. It aims at identifying and reconstructing individually each particle arising from the LHC…

High Energy Physics - Experiment · Physics 2014-02-03 Florian Beaudette

Crystal electromagnetic calorimeters (ECALs) are essential for high-precision measurements of electrons and photons in particle physics experiments. However, the conventional design, in which long crystal bars point radially toward the…

Instrumentation and Detectors · Physics 2026-02-26 Weizheng Song , Yang Zhang , Shengsen Sun , Fangyi Guo , Yuanzhan Wang , Linghui Wu , Jie Guo , Shaojing Hou , Yong Liu , Quan Ji , Jinfan Chang , Yifang Wang

Structure-based drug design (SBDD), aiming to generate 3D molecules with high binding affinity toward target proteins, is a vital approach in novel drug discovery. Although recent generative models have shown great potential, they suffer…

Machine Learning · Computer Science 2025-11-05 Jingyuan Zhou , Hao Qian , Shikui Tu , Lei Xu

Structure identification in cosmological simulations plays an important role in analysing simulation outputs. The definition of these structures directly impacts the inferred properties derived from these simulations. This paper proposes a…

Astrophysics of Galaxies · Physics 2025-01-16 Robel Geda , Romain Teyssier

In this work we consider the problem of determining the identity of hadrons at high energies based on the topology of their energy depositions in dense matter, along with the time of the interactions. Using GEANT4 simulations of a…

Particle Flow Filters estimate the ``a posteriori" probability density function (PDF) by moving an ensemble of particles according to the likelihood. Particles are propagated under the system dynamics until a measurement becomes available…

Computational Engineering, Finance, and Science · Computer Science 2025-05-06 Simone Servadio

The Particle Flow Analysis (PFA) is currently under intense studies as the most promising way to achieve precision jet energy measurements required at the future linear $e^+e^-$ collider. In order to optimize detector configurations and to…

Computational Physics · Physics 2015-05-13 Sumie Yamamoto , Keisuke Fujii , Akiya Miyamoto

Additive manufacturing has enabled the fabrication of advanced reactor geometries, permitting larger, more complex design spaces. Identifying promising configurations within such spaces presents a significant challenge for current…

Computational Engineering, Finance, and Science · Computer Science 2024-06-07 Tom Savage , Nausheen Basha , Jonathan McDonough , James Krassowski , Omar K Matar , Ehecatl Antonio del Rio Chanona

The Shower Deconstruction methodology is pivotal in distinguishing signal and background jets, leveraging the detailed information from perturbative parton showers. Rooted in the Neyman-Pearson lemma, this method is theoretically designed…

High Energy Physics - Phenomenology · Physics 2024-06-06 Vishal S. Ngairangbam , Michael Spannowsky

Two fundamental algorithm-design paradigms are Tree Search and Dynamic Programming. The techniques used therein have been shown to complement one another when solving the complete set partitioning problem, also known as the coalition…

Multiagent Systems · Computer Science 2018-08-24 Talal Rahwan , Tomasz P. Michalak

The accuracy of parton-shower simulations is often a limiting factor in the interpretation of data from high-energy colliders. We present the first formulation of parton showers with accuracy one order beyond state-of-the-art…

High Energy Physics - Phenomenology · Physics 2024-06-14 Silvia Ferrario Ravasio , Keith Hamilton , Alexander Karlberg , Gavin P. Salam , Ludovic Scyboz , Gregory Soyez

A new method to construct event-generators based on next-to-leading order QCD matrix-elements and leading-logarithmic parton showers is proposed. Matrix elements of loop diagram as well as those of a tree level can be generated using an…

High Energy Physics - Phenomenology · Physics 2010-04-05 Y. Kurihara , J. Fujimoto , T. Ishikawa , K. Kato , S. Kawabata , T. Munehisa , H. Tanaka

A detailed study of the particle identification by the Focusing Aerogel Ring Imaging CHerenkov subsystem at the future charm superfactory detector is presented. The dedicated signal ring reconstruction algorithm is implemented in the…

High Energy Physics - Experiment · Physics 2026-05-08 M. Chadeeva , P. Rogozhin , T. Uglov

The efficient condition assessment of engineered systems requires the coupling of high fidelity models with data extracted from the state of the system `as-is'. In enabling this task, this paper implements a parametric Model Order Reduction…

Numerical Analysis · Mathematics 2024-07-25 Konstantinos Vlachas , Konstantinos Tatsis , Konstantinos Agathos , Adam R. Brink , Eleni Chatzi