Skip to main content

A Python package for flavour physics phenomenology in the Standard Model and beyond

Project description

Build Status Coverage Status DOI

flavio – flavour phenomenology in the Standard model and beyond

flavio is a Python package to compute observables in flavour physics, electroweak precision tests, Higgs physics, and other precision tests of the Standard Model, both in the Standard Model and in the presence of new physics encoded in Wilson coefficients of dimension-6 operators.

Project web site

Further information and the package documentation can be found at:

This web site is built with Jekyll and hosted on Github pages. You can check out its source (or submit pull requests) at


See for instructions.

Bugs and feature request

Please submit questions, bugs and feature request using Github's issue system rather than by E-mail. Thanks!



  • Peter Stangl (@peterstangl)

Original author:

  • David M. Straub (@DavidMStraub)

Contributors (in alphabetical order):

  • Jason Aebischer
  • Jorge Alda Gallo
  • Frederik Beaujean
  • Adam Falkowski
  • Tobias Felkl
  • Ece Gürler
  • Matěj Hudec
  • Matthew Kirk
  • Jonathan Kriewald
  • Jacky Kumar
  • Christoph Langenbruch
  • Christoph Niehoff
  • Markus Prim
  • Albert Puig
  • Méril Reboud
  • Stefanie Reichert
  • Niladri Sahoo
  • Jakub Šalko
  • Michael Schmidt
  • Aleks Smolkovič
  • Peter Stangl
  • Olcyr Sumensari
  • Felicia Volle
  • Zeren Simon Wang


flavio is released under the MIT license.


If you use flavio in a scientific publication, please cite:

D. Straub, "flavio: a Python package for flavour and precision phenomenology in the Standard Model and beyond", arXiv:1810.08132

This paper contains many references to results in the literature that went into the code. Please also consider citing the relevant original literature, where the real work was done.

The flavio repository itself is also citable via a DOI provided by Zenodo:


Project details

Release history Release notifications | RSS feed

This version


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

flavio-2.5.5.tar.gz (1.0 MB view hashes)

Uploaded Source

Built Distribution

flavio-2.5.5-py3-none-any.whl (1.2 MB view hashes)

Uploaded Python 3

Supported by

AWS AWS Cloud computing and Security Sponsor Datadog Datadog Monitoring Fastly Fastly CDN Google Google Download Analytics Microsoft Microsoft PSF Sponsor Pingdom Pingdom Monitoring Sentry Sentry Error logging StatusPage StatusPage Status page