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Explore more than two petabytes
of open data from particle physics!

search examples: collision datasets, keywords:education, energy:7TeV
Explore
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Focus on
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Learn

Discover the world of open data from particle physics
  • Welcome to our updated portal
  • CMS Guide to education use of CMS Open Data
  • Improving educational content with high school teachers: A field report from our summer students
  • Glossary
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Visualise

Explore detector events and run basic histogramming
  • CMS Event Display
  • OPERA Event Display
  • CMS Histograms

Analyse

Run your own physics analyses, start virtual machines
  • CMS Guide to research use of CMS Open Data
  • ATLAS Higgs Machine Learning Challenge
  • Getting Started with LHCb Open Data
  • Getting Started with ALICE Open Data
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News

News & Updates

2019-07-18 by CMS Collaboration

CMS releases open data for Machine Learning

News CMS

2018-05-22 by OPERA Collaboration

Release of the first set of data samples by the OPERA Collaboration

News OPERA

2017-12-20 by CMS Collaboration

Observing the Higgs with over one petabyte of new CMS Open Data

News CMS
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