Fermilab

Open Data Release Page

  • What is this?

    This is an open data product that contains all the neutrino and antineutrino data from the MINERvA experiment, packaged in a way that you can use. The ultimate package will contain both neutrino and antineutrino data, and will contain both our Low energy and Medium Energy data, where the neutrino energy distributions peaked around 3GeV and 6GeV respectively. We also provide simulated data and a way to access our uncertainties on that simulation, including flux, neutrino interaction, and detector uncertainties.  The data (and simulated data) has already been pre-selected to contain either a muon candidate or an electron candidate.

  • What do you get?

    The main data release are .root files for data and simulation for the forward horn current and reverse horn current data sets. The later, larger set with the flux peaking at Enu = 6 GeV and the earlier set with the flux peak at 3 GeV. They are relatively flat tuples (that could easily be exported out of root format) that contain a variety of reconstructed objects. These files are the same ones used by active MINERvA analyses as of 2025, and contain information to support nearly all current and previous minerva analysis topics, plus new topics we have not explored.

    Software to process the data files, make plots, track systematic uncertainties, and apply model weights and documented tunes at https://github.com/MinervaExpt . It includes a tutorial. Documentation will be a work in progress, with new and revised material available on an ongoing basis.

    In the near future, we will make available our event display viewer Arachne, which is based on html5, and the hit-level files, suitable for diagnosing events corresponding to unexpected features in the data or simulated distributions. We will also make available the hit-level “images” we use as input to our machine-learning pattern recognition efforts.

  • Suggested Acknowledgement

    “The authors thank the MINERvA Collaboration for making their data, simulated data, and analysis tools available to the community”

  • At the first introduction where you describe using MINERvA data Please cite the MINERvA NIM MINERvA NIM Paper (Nucl. Inst. and Meth. A743 (2014) 130) publication as first citation,
    and the open data paper (when it goes live), and any MINERvA paper, if there is one closely related to yours.  “We thank MINERvA collaborators V. Helpful and G.D. Sport for technical assistance and discussion” if appropriate would also be appreciated.

  • Terms of Use

    This open data release and its software come without warranty and may not be fit for some uses.  It is released under the CC0 license http://creativecommons.org/publicdomain/zero/1.0   We do not require MINERvA review of non-MINERvA manuscripts. We can offer, but not guarantee, limited support. For several years, the MINERvA collaboration will co-exist with this data release, keeping fresh most of our technical expertise. Your project might also benefit from direct partnership with one or more MINERvA collaborators.

Thank you for extending the physics reach of our data !

Key Documentation Links: