English
Related papers

Related papers: Arbor, a new approach of the Particle Flow Algorit…

200 papers

Flow Matching and Transformer architectures have demonstrated remarkable performance in image generation tasks, with recent work FlowAR [Ren et al., 2024] synergistically integrating both paradigms to advance synthesis fidelity. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yingyu Liang , Zhizhou Sha , Zhenmei Shi , Zhao Song , Mingda Wan

Scour depth around bridge piers plays a vital role in the safety and stability of the bridges. Existing methods to predict scour depth are mainly based on regression models or black box models in which the first one lacks enough accuracy…

Neural and Evolutionary Computing · Computer Science 2019-06-24 Shahaboddin Shamshirband , Amir Mosavi , Timon Rabczuk

We present a data stream algorithm for estimating the size of the maximum matching of a low arboricity graph. Recall that a graph has arboricity $\alpha$ if its edges can be partitioned into at most $\alpha$ forests and that a planar graph…

Data Structures and Algorithms · Computer Science 2017-08-15 Andrew McGregor , Sofya Vorotnikova

The CMS apparatus was identified, a few years before the start of the LHC operation at CERN, to feature properties well suited to particle-flow (PF) reconstruction: a highly-segmented tracker, a fine-grained electromagnetic calorimeter, a…

Instrumentation and Detectors · Physics 2017-10-10 CMS Collaboration

The event generator Sibyll can be used for the simulation of hadronic multiparticle production up to the highest cosmic ray energies. It is optimized for providing an economic description of those aspects of the expected hadronic final…

High Energy Physics - Phenomenology · Physics 2015-10-05 Felix Riehn , Ralph Engel , Anatoli Fedynitch , Thomas K. Gaisser , Todor Stanev

We present a new adaptive particle-based data assimilation scheme for cryospheric applications that leverages promising developments in importance sampling. The proposed approach seeks to combine some of the advantages of two widely used…

We introduce PHEW (Parallel HiErarchical Watershed), a new segmentation algorithm to detect structures in astrophysical fluid simulations, and its implementation into the adaptive mesh refinement (AMR) code ramses. PHEW works on the density…

Instrumentation and Methods for Astrophysics · Physics 2015-07-22 Andreas Bleuler , Romain Teyssier , Sébastien Carassou , Davide Martizzi

Astroparticles offer a new path for research in the field of particle physics, allowing investigations at energies above those accesible with accelerators. Ultra-high energy cosmic rays can be studied via the observation of the showers they…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Analisa Mariazzi

The next generation of collider detectors will make full use of Particle Flow Algorithms, requiring high-precision tracking and full imaging calorimeters. The latter, thanks to granularity improvements by two to three orders of magnitude…

Instrumentation and Detectors · Physics 2022-11-15 Roman Pöschl

Contemporary accelerator designs exhibit a high degree of spatial localization, wherein two-dimensional physical distance determines communication costs between processing elements. This situation presents considerable algorithmic…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-09 Yves Baumann , Tal Ben-Nun , Maciej Besta , Lukas Gianinazzi , Torsten Hoefler , Piotr Luczynski

Detection of extensive air showers with radio antennas is an appealing technique in cosmic ray physics. However, because of the high level of measurement noise, current reconstruction methods still leave room for improvement. Furthermore,…

Instrumentation and Methods for Astrophysics · Physics 2025-07-16 Simon Strähnz , Tim Huege , Torsten Enßlin , Karen Terveer , Anna Nelles

We present a first proof of concept to directly use neural network based pattern recognition to trigger on distinct calorimeter signatures from displaced particles, such as those that arise from the decays of exotic long-lived particles.…

High Energy Physics - Experiment · Physics 2021-01-28 Juliette Alimena , Yutaro Iiyama , Jan Kieseler

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at the future International Linear Collider. These calorimeters have been…

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

Decision trees are widely used for non-linear modeling, as they capture interactions between predictors while producing inherently interpretable models. Despite their popularity, performing inference on the non-linear fit remains largely…

Methodology · Statistics 2026-04-14 Soham Bakshi , Snigdha Panigrahi

In recent years, there have been a surge in applications of neural networks (NNs) in physical sciences. Although various algorithmic advances have been proposed, there are, thus far, limited number of studies that assess the…

Fluid Dynamics · Physics 2020-12-17 Kai Fukami , Romit Maulik , Nesar Ramachandra , Koji Fukagata , Kunihiko Taira

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

The sorption curve is an essential feature for the modelling of heat and mass transfer in porous building materials. Several models have been proposed in the literature to represent the amount of moisture content in the material according…

Applications · Statistics 2021-04-21 Julien Berger , Thibaut Colinart , Bruna R. Loiola , Helcio R. B. Orlande

Climate models lack the necessary resolution for urban climate studies, requiring computationally intensive processes to estimate high resolution air temperatures. In contrast, Data-driven approaches offer faster and more accurate air…

Atmospheric and Oceanic Physics · Physics 2024-09-05 Fatemeh Chajaei , Hossein Bagheri

Finding the exact close neighbors of each fluid element in mesh-free computational hydrodynamical methods, such as the Smoothed Particle Hydrodynamics (SPH), often becomes a main bottleneck for scaling their performance beyond a few million…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-19 Aurélien Cavelan , Rubén M. Cabezón , Jonas H. M. Korndorfer , Florina M. Ciorba

The experimental technique of fluorescence light observation is used in current and planned air shower experiments that aim at understanding the origin of ultra-high energy cosmic rays. In the fluorescence technique, the geometry of the…

Astrophysics · Physics 2007-08-30 D. Kuempel , K. -H. Kampert , M. Risse