High-school students performing a CMS exercise. (CERN)

CERN launched its Open Data Portal, which will publicly make available real data from collision events at the LHC. This is the first time CERN has made data publicly available to all in a way such as this. The Open Data Portal was established to provide educational resources, and will be of high value for the research community in general.

"Launching the CERN Open Data Portal is an important step for our Organization. Data from the LHC programme are among the most precious assets of the LHC experiments, that today we start sharing openly with the world. We hope these open data will support and inspire the global research community, including students and citizen scientists," says CERN Director-General Rolf Heuer.

All CERN publications, and future publications, will be made public for everyone to read and reuse freely. The last time CERN published high-quality, aanalyzabledata was from the CMS experiment, originally collected in 2010 during the LHCs first run.

"This is all new and we are curious to see how the data will be re-used," says CMS data preservation coordinator Kati Lassila-Perini. "We've prepared tools and examples of different levels of complexity from simplified analysis to ready-to-use online applications. We hope these examples will stimulate the creativity of external users."

Image Credit: CERN

CERN's Open Data Portal does not only give free access to LHC data, but also data sets from ALICE, ATLAS, CMS and LHCb collaborations, which have all been specially prepared in order to be used as an education tool used in, as an example, any high school particle physics course.

"Our own data policy foresees data preservation and its sharing. We have seen that students are fascinated by being able to analyse LHC data in the past and so, we are very happy to take the first steps and make available some selected data for education" says Silvia Amerio, data preservation coordinator of the LHCb experiment.

"The development of this Open Data Portal represents a first milestone in our mission to serve our users in preserving and sharing their research materials. It will ensure that the data and tools can be accessed and used, now and in the future," says Tim Smith of the CERN IT Department.

All the data can be found here and are shared under a Creative Commons, CC0, public domain dedication. The CERN Open Data Portal is built on the open-source Invenio Digital  Library software, which powers other CERN Open Science tools and initiatives.

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