Abstract
The CMS Collaboration, in accordance with its commitment to open access and data preservation, is preparing for the public release of up to half of the reconstructed collision data collected in 2010. Efforts at present are focused on the usability of the data in education. The data will be accompanied by example applications tailored for different levels of access, including ready-to-use web-based applications for histogramming or visualising individual collision events and a virtual machine image of the CMS software environment that is compatible with these data. The virtual machine image will contain instructions for using the data with the online applications as well as examples of simple analyses. The novelty of this initiative is two-fold: in terms of open science, it lies in releasing the data in a format that is good for analysis; from an outreach perspective, it is to provide the possibility for people outside CMS to build educational applications using our public data. CMS will rely on services for data preservation and open access being prototyped at CERN with input from CMS and the other LHC experiments.
Highlights
CMS (Compact Muon Solenoid) [1] is one of two general-purpose experiments at the Large Hadron Collider (LHC) at CERN
Email address: thomas.mccauley@cern.ch (Thomas McCauley) around 28 fb−1 of proton-proton collision data at centerof-mass energies up to 8 TeV as well as data from proton-lead and lead-lead collisions. Analysis of these data have produced over 300 published papers describing searches for SUSY and exotica, measurements of QCD, electroweak, top, forward, heavy-ion, and B physics, as well as discovery of the Higgs boson [2]
Previous datasets released for education and outreach were prepared for that use-case
Summary
CMS (Compact Muon Solenoid) [1] is one of two general-purpose experiments at the Large Hadron Collider (LHC) at CERN. CMS has prepared and released a small, selected amount of data for use in education and outreach These datasets were reduced to the level of four-vectors and contain J/ψ, Υ, W, and Z candidates as well as general two-muon and two-electron events [4]. CMS has approved the release of a large set of reconstructed data for public use This dataset is around 30 TB of 2010 proton-proton collision data at 7 TeV (tens of pb−1) in CMS Analysis Object Data (AOD) format [6]. This contribution describes the preparation and release of this dataset in an effort to maximise its utility to the public
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