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ROOT Users Workshop 2025

17–21 Nov 2025
Europe/Madrid timezone

Session

Afternoon Session II

17 Nov 2025, 17:00

Presentation materials

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  1. 80. Implementation of an $H\rightarrow \tau\tau$ Analysis within a ROOT-based C++ Framework using ATLAS Open Data
    Morvan Vincent (Univ. of Valencia and CSIC (ES))
    17/11/2025, 17:00

    Integration of an analysis of Higgs boson decaying to a pair of tau leptons into a ROOT-based C++ framework, making use of recent ATLAS Open Data release. The workflow demonstrates how modern analysis strategies can be easily implemented within a modular structure that combines event selection and object reconstruction. Particular emphasis is placed on the use of ROOT for handling large...

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  2. 114. ROOT Training Session
    Marta Czurylo (CERN), Silia Taider (CERN), Dr Vincenzo Eduardo Padulano (CERN)
    17/11/2025, 17:20
  3. 105. An overview of ROOT in Python
    18/11/2025, 17:00
  4. 106. The ROOT Python Bindings Features
    Silia Taider (CERN)
    18/11/2025, 17:10
  5. 138. Compiler Research in the Open: Connecting People, Projects, and Progress
    Vassil Vasilev (Princeton University (US))
    18/11/2025, 17:30

    The compiler-research.org initiative aims to make compiler
    research more visible, interconnected, and sustainable across academia
    and industry. Beyond research infrastructure, it pioneers a new model
    for open-source education and mentorship offering remote, project-based
    training in advanced compiler and systems engineering for early-career
    professionals. This approach fills a critical...

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  6. 108. Discussion
    18/11/2025, 17:50
  7. 119. Advancing Python-C++ Interoperability in ROOT and beyond
    Aaron Jomy (CERN), Vipul Nellamakada (Ramaiah University of Applied Sciences (IN))
    20/11/2025, 17:00
  8. 88. ROOT.jl, opening ROOT to the Julia programming language
    Philippe Gras (Université Paris-Saclay (FR))
    20/11/2025, 17:20

    In a single programming language, Julia provides ease of programming (as Python), high running performance (as C++), and exceptional code reusability (with no comparison). These three properties make it the ideal programming language for high energy physics (HEP) data analysis, as demonstrated by several studies and confirmed by a growing interest from the HEP community. The ROOT.jl package...

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  9. 140. Zero-overhead ML training with ROOT
    Martin Foll (University of Oslo (NO))
    20/11/2025, 17:40
  10. 13. Discussion
    20/11/2025, 18:00
  11. 107. Compiler Research (provisional title)
    Vassil Vasilev (Princeton University (US))
  12. 120. Hands-on Pythonisations tutorial
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