Enables processing and scientific analysis of large amounts of data: today, more than 2 exabytes are stored in ROOT files. The Higgs was discovered with ROOT!
Open source, which means that you can use it freely and modify it. It adopts an open development process, inviting its users to contribute to it.
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Delivered with a C++ interpreter, ideal for fast prototyping. ROOT also offers a Python interface to all its components with dynamic bindings. Jupyter notebooks are supported too.
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ROOT Summer Student Course 2025 Recap and New Video Recording (29 Jul 2025)
As every summer, we organized a number of ROOT courses for a few groups of summer students - we held five sessions with around 30 to 40 participants each, including one session during the HSF/IRIS-HEP Python for Analysis Trainings and one as part of the CERN Openlab Workshops. Level Up Your Histogram Analysis Using ROOT’s UHI (06 Jun 2025)What if you could intuitively manipulate your ROOT histograms, create stunning plots with your favorite Python libraries, and perform advanced operations–all with Pythonic ease? Make ROOT your own on macOS with Nix (01 May 2025)In this blog post, you will learn how to reproducibly build ROOT from source with Nix on macOS or Linux, getting you started quickly with hacking the ROOT source code and participate in ROOTs open development. ROOT Users Workshop 2025 (14 Apr 2025)We are very happy to announce that the ROOT Users Workshop 2025 will take place in Valencia, Spain, between 17-21st November. Please note this will be an in-person-only event. Automatic differentiation in RooFit with Clad (23 Mar 2025)Maybe you have heard that RooFit now supports Automatic Differentiation (AD) for faster likelihood minimization. This blogpost explains you the underlying technology, implementation, and interfaces. It also showcases some performance numbers from a Higgs analysis benchmark before concluding with an outlook on future developments. More ... |
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