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ROOT Users Workshop 2025

17–21 Nov 2025
Europe/Madrid timezone

Session

Poster session

19 Nov 2025, 10:15

Presentation materials

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  1. 89. Cross compilation of the ROOT libraries
    Philippe Gras (Université Paris-Saclay (FR))
    19/11/2025, 10:16

    Cross compilation allows the build of binaries of a software package for different platforms without the need to use different hardware and operating system for each platform beging supported. The Julia binary registry, uses it to ease the support of a number of platforms (ARM, x86, PowerPC combined with MacOS, Linux, and Windows). Support for the Julia binary registry has motivated this work...

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  2. 148. Enhancing CMS data analysis with Distributed RDF on a high-rate platform
    Tommaso Diotalevi (Universita e INFN, Bologna (IT))
    19/11/2025, 10:16

    A flexible and dynamic analysis environment, capable of efficiently accessing and processing distributed data and resources, is essential for High Energy Physics (HEP) in both current and future LHC operations. This contribution presents the development and evolution of a scalable analysis platform that combines open-source standards with the computing resources provided by the Italian...

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  3. 83. NDimensional Visualization in 3D Virtual Environments
    Daniel Chovanec (Technical University of Košice (SK))
    19/11/2025, 10:16

    Thanks to the recent technological advances, immersive virtual reality becomes a viable option in various areas, including data visualization. In this talk, we present NDMVR, a software solution for n-dimensional histograms visualization in web-based virtual reality. While NDMVR utilizes JSROOT for certain base functionalities, its distinct features are nested histogram support and reactive...

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  4. 76. RNTuple for SND@HL-LHC
    Filippo Mei (Universita e INFN, Bologna (IT))
    19/11/2025, 10:16

    With the latest ROOT version (6.36), the RNTuple API is stable as well as its on-disk format: data written today will be readable with the future versions of ROOT. RNTuple is the successor of the TTree format, bringing many advantages such as faster read / write, type safety, use of modern smart pointers, suitability for parallelized hardware and asynchronous operations. SND@HL-LHC will be an...

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  5. 102. The R3BRoot framework
    Pablo Gonzalez Russel (University of Santiago de Compostela)
    19/11/2025, 10:16

    The R3B (Reactions with Relativistic Radioactive Beams) experiment at GSI/FAIR is devoted to exploring the properties of nuclei located far from the valley of stability, with particular emphasis on their structure and reaction dynamics. To address these scientific objectives, a highly versatile reaction setup has been developed. This setup combines high detection efficiency, large geometrical...

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  6. 125. Batch generation for ML training
    Martin Foll (University of Oslo (NO))
    19/11/2025, 10:17
  7. 133. GPU Accelerated Analyses
    Devajith Valaparambil Sreeramaswamy, Lukas Breitwieser (CERN)
    19/11/2025, 10:17
  8. 126. JSROOT and Web-graphics
    Serguei Linev (GSI Darmstadt)
    19/11/2025, 10:17
  9. 144. On the Path to ROOT 7
    Stephan Hageboeck (CERN)
    19/11/2025, 10:17
  10. 128. RDF – (distributed) interactive analysis on 1000 cores
    Marta Czurylo (CERN), Stephan Hageboeck (CERN), Dr Vincenzo Eduardo Padulano (CERN)
    19/11/2025, 10:17
  11. 132. Recent Cling Developments
    Devajith Valaparambil Sreeramaswamy
    19/11/2025, 10:17
  12. 145. REve
    Alja Mrak Tadel (Univ. of California San Diego (US)), Matevz Tadel (Univ. of California San Diego (US)), Serguei Linev (GSI Darmstadt)
    19/11/2025, 10:17

    REve is a rewrite of EVE for the ROOT-7 era, using modern C++ and relying on ROOT’s built-in http server for communication with GUI clients. Part of REve is also implemented in JavaScript and uses OpenUI5, JSROOT, and RenderCore as its foundation libraries.

    FireworksWeb is a CMS application built around REve. Several advanced legacy Fireworks features have been ported into REve in an...

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  13. 129. RNTuple – Helping to meet the HL-LHC Storage Challenge
    Giacomo Parolini (CERN), Jakob Blomer (CERN)
    19/11/2025, 10:17
  14. 151. ROOT viewer for CERNBox
    Diogo Castro (CERN)
    19/11/2025, 10:17

    CERNBox is CERN’s cloud storage and collaboration service, supporting a wide range of physics, general-purpose data and personal files for the CERN community. Despite this broad usage, ROOT files remain a significant part of the platform’s data ecosystem, accounting for a notable share of stored volume and an even larger proportion of read/write activity. Improving the ROOT user experience in...

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  15. 130. ROOT – Development process, CI and distribution
    Danilo Piparo (CERN)
    19/11/2025, 10:17
  16. 134. Teaching ROOT
    Marta Czurylo (CERN)
    19/11/2025, 10:17
  17. 131. The new Python Interface
    Aaron Jomy (CERN), Silia Taider (CERN), Vipul Nellamakada (Ramaiah University of Applied Sciences (IN))
    19/11/2025, 10:17
  18. 127. UHI for ROOT: Interfacing With Python Statistical Analysis Libraries
    Silia Taider (CERN)
    19/11/2025, 10:17
  19. 94. Cloud-Based Machine Learning with ROOT for the High-Luminosity LHC Era
    Gurchet Singh

    Recent advances in the Scientific Python Ecosystem have opened new possibilities for High-Energy Physics (HEP), especially through its integration with ROOT, the backbone framework for data storage, analysis, and visualization. With tools such as NumPy, pandas, and Jupyter now interoperating seamlessly with ROOT, researchers can build flexible and efficient workflows. At the same time, Machine...

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  20. 147. Enhancing CMS data analysis with Distributed RDF on a high-rate platform
    Tommaso Diotalevi (Universita e INFN, Bologna (IT))

    A flexible and dynamic analysis environment, capable of efficiently accessing and processing distributed data and resources, is essential for High Energy Physics (HEP) in both current and future LHC operations. This contribution presents the development and evolution of a scalable analysis platform that combines open-source standards with the computing resources provided by the Italian...

    Go to contribution page
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