scikit-hep 2026.2.1

Metapackage of Scikit-HEP project libraries for Particle Physics.

scikit-hep: metapackage for Scikit-HEP

Project info

The Scikit-HEP project is a community-driven and community-oriented project with the aim of providing Particle Physics at large with an ecosystem for data analysis in Python embracing all major topics involved in a physicist's work. The project started in Autumn 2016 and its packages are actively developed and maintained. Packages from Scikit-HEP are presently used by several major experiments.

It is not just about providing core and common tools for the community. It is also about improving the interoperability between HEP tools and the broad scientific ecosystem in Python, and about improving on discoverability of utility packages and projects.

For what concerns the project grand structure, it should be seen as a toolset rather than a toolkit.

Getting in touch

There are various ways to get in touch with project admins and/or users and developers.

scikit-hep package

scikit-hep is a metapackage for the Scikit-HEP project.

Installation

You can install this metapackage from PyPI with `pip`:

python -m pip install scikit-hep

or you can use Conda through conda-forge:

conda install -c conda-forge scikit-hep

All the normal best-practices for Python apply; you should be in a virtual environment, etc.

Package version and dependencies

Please check the requirements.txt files for the list of Python versions supported and the list of Scikit-HEP project packages and dependencies included, respectively.

For any installed scikit-hep the following displays the actual versions of all Scikit-HEP dependent packages installed, for example:

>>> import skhep
>>> skhep.show_versions()

System:
    python: 3.12.3 | packaged by conda-forge | (main, Apr 15 2024, 18:20:11) [MSC v.1938 64 bit (AMD64)]
executable: C:\Users\eduar\miniconda3\python.exe
   machine: Windows-11-10.0.26100-SP0

Python dependencies:
setuptools: 75.1.0
       pip: 24.2
     numpy: 2.0.1
     scipy: 1.15.1
    pandas: 2.2.3
matplotlib: 3.10.0

Scikit-HEP package version and dependencies:
        awkward: 2.8.1
boost_histogram: 1.5.0
  decaylanguage: 0.18.6
       hepstats: 0.9.2
       hepunits: 2.3.5
           hist: 2.8.0
     histoprint: 2.6.0
        iminuit: 2.30.1
         mplhep: 0.3.55
       particle: 0.25.2
          pylhe: 0.9.1
       resample: 1.10.1
     scikit-hep: 2025.4.1
         uproot: 5.6.0
         vector: 1.6.1

Note on the versioning system:

This package uses Calendar Versioning (CalVer).

Contributors

We would like to acknowledge the contributors that made this project possible (emoji key):

Eduardo Rodrigues 🚧 💻 📖	Henry Schreiner 🚧 💻 📖	Matthieu Marinangeli 💻 📖	Jim Pivarski 💻 📖	Brian Pollack 💻 📖	VanyaBelyaev 💻 📖	Nils Braun 💻 📖
Matthew Feickert 💻 📖	Andrzej Novak 💻	Alex Pearwin 📖	Alexander Mazurov 💻	Chris Burr 💻	Noel Dawe 💻	Lukas Koch 💻 📖
Hans Dembinski 💻 📖	Jeremy McRae 💻	Jonas Eschle 💻

This project follows the all-contributors specification.